Home / 87,428-189,542

Finding the Third Proportional to 87,428 and 189,542

Calculator

Solution

The third proportional to 87,428 and 189,542 is: 410,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,428 : 189,542 = 189,542 : x
  2. Step 2: Convert to fraction form
    87,428/189,542 = 189,542/x
  3. Step 3: Cross multiply
    87,428x = 189,542 × 189,542
  4. Step 4: Simplify right side
    87,428x = 35,926,169,764
  5. Step 5: Solve for x
    x = 35,926,169,764/87,428
  6. Step 6: Final answer
    x = 410,922.93

Related Problems

Find third proportional to 43,714 and 94,771
Half scale
Find third proportional to 174,856 and 379,084
Double scale
Find third proportional to 87,430 and 189,546
Similar ratio
Find third proportional to 131,142 and 284,313
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.