Home / 142,980-217,542

Finding the Third Proportional to 142,980 and 217,542

Calculator

Solution

The third proportional to 142,980 and 217,542 is: 330,987.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,980 : 217,542 = 217,542 : x
  2. Step 2: Convert to fraction form
    142,980/217,542 = 217,542/x
  3. Step 3: Cross multiply
    142,980x = 217,542 × 217,542
  4. Step 4: Simplify right side
    142,980x = 47,324,521,764
  5. Step 5: Solve for x
    x = 47,324,521,764/142,980
  6. Step 6: Final answer
    x = 330,987.00

Related Problems

Find third proportional to 71,490 and 108,771
Half scale
Find third proportional to 285,960 and 435,084
Double scale
Find third proportional to 142,982 and 217,545
Similar ratio
Find third proportional to 214,470 and 326,313
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.