Home / 272,628-558,855

Finding the Third Proportional to 272,628 and 558,855

Calculator

Solution

The third proportional to 272,628 and 558,855 is: 1,145,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,628 : 558,855 = 558,855 : x
  2. Step 2: Convert to fraction form
    272,628/558,855 = 558,855/x
  3. Step 3: Cross multiply
    272,628x = 558,855 × 558,855
  4. Step 4: Simplify right side
    272,628x = 312,318,911,025
  5. Step 5: Solve for x
    x = 312,318,911,025/272,628
  6. Step 6: Final answer
    x = 1,145,586.33

Related Problems

Find third proportional to 136,314 and 279,427.50
Half scale
Find third proportional to 545,256 and 1,117,710
Double scale
Find third proportional to 272,630 and 558,859
Similar ratio
Find third proportional to 408,942 and 838,282.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.