Home / 427,558,448-660,972,111

Finding the Third Proportional to 427,558,448 and 660,972,111

Calculator

Solution

The third proportional to 427,558,448 and 660,972,111 is: 1,021,811,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,558,448 : 660,972,111 = 660,972,111 : x
  2. Step 2: Convert to fraction form
    427,558,448/660,972,111 = 660,972,111/x
  3. Step 3: Cross multiply
    427,558,448x = 660,972,111 × 660,972,111
  4. Step 4: Simplify right side
    427,558,448x = 436,884,131,519,796,352
  5. Step 5: Solve for x
    x = 436,884,131,519,796,352/427,558,448
  6. Step 6: Final answer
    x = 1,021,811,482.30

Related Problems

Find third proportional to 213,779,224 and 330,486,055.50
Half scale
Find third proportional to 855,116,896 and 1,321,944,222
Double scale
Find third proportional to 427,558,450 and 660,972,114
Similar ratio
Find third proportional to 641,337,672 and 991,458,166.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.