Home / 642,496-940,698

Finding the Third Proportional to 642,496 and 940,698

Calculator

Solution

The third proportional to 642,496 and 940,698 is: 1,377,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,496 : 940,698 = 940,698 : x
  2. Step 2: Convert to fraction form
    642,496/940,698 = 940,698/x
  3. Step 3: Cross multiply
    642,496x = 940,698 × 940,698
  4. Step 4: Simplify right side
    642,496x = 884,912,727,204
  5. Step 5: Solve for x
    x = 884,912,727,204/642,496
  6. Step 6: Final answer
    x = 1,377,304.65

Related Problems

Find third proportional to 321,248 and 470,349
Half scale
Find third proportional to 1,284,992 and 1,881,396
Double scale
Find third proportional to 642,498 and 940,701
Similar ratio
Find third proportional to 963,744 and 1,411,047
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.