Home / 141,080-218,691

Finding the Third Proportional to 141,080 and 218,691

Calculator

Solution

The third proportional to 141,080 and 218,691 is: 338,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,080 : 218,691 = 218,691 : x
  2. Step 2: Convert to fraction form
    141,080/218,691 = 218,691/x
  3. Step 3: Cross multiply
    141,080x = 218,691 × 218,691
  4. Step 4: Simplify right side
    141,080x = 47,825,753,481
  5. Step 5: Solve for x
    x = 47,825,753,481/141,080
  6. Step 6: Final answer
    x = 338,997.40

Related Problems

Find third proportional to 70,540 and 109,345.50
Half scale
Find third proportional to 282,160 and 437,382
Double scale
Find third proportional to 141,082 and 218,694
Similar ratio
Find third proportional to 211,620 and 328,036.50
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.