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Finding the Third Proportional to 621,008 and 961,860

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Solution

The third proportional to 621,008 and 961,860 is: 1,489,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,008 : 961,860 = 961,860 : x
  2. Step 2: Convert to fraction form
    621,008/961,860 = 961,860/x
  3. Step 3: Cross multiply
    621,008x = 961,860 × 961,860
  4. Step 4: Simplify right side
    621,008x = 925,174,659,600
  5. Step 5: Solve for x
    x = 925,174,659,600/621,008
  6. Step 6: Final answer
    x = 1,489,795.07

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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.