Home / 66,213,693-142,546,901

Finding the Third Proportional to 66,213,693 and 142,546,901

Calculator

Solution

The third proportional to 66,213,693 and 142,546,901 is: 306,879,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,213,693 : 142,546,901 = 142,546,901 : x
  2. Step 2: Convert to fraction form
    66,213,693/142,546,901 = 142,546,901/x
  3. Step 3: Cross multiply
    66,213,693x = 142,546,901 × 142,546,901
  4. Step 4: Simplify right side
    66,213,693x = 20,319,618,984,703,800
  5. Step 5: Solve for x
    x = 20,319,618,984,703,800/66,213,693
  6. Step 6: Final answer
    x = 306,879,409.14

Related Problems

Find third proportional to 33,106,846.50 and 71,273,450.50
Half scale
Find third proportional to 132,427,386 and 285,093,802
Double scale
Find third proportional to 66,213,695 and 142,546,905
Similar ratio
Find third proportional to 99,320,539.50 and 213,820,351.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.