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Finding the Third Proportional to 708,067.13 and 1,067,978.81

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Solution

The third proportional to 708,067.13 and 1,067,978.81 is: 1,610,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,067.13 : 1,067,978.81 = 1,067,978.81 : x
  2. Step 2: Convert to fraction form
    708,067.13/1,067,978.81 = 1,067,978.81/x
  3. Step 3: Cross multiply
    708,067.13x = 1,067,978.81 × 1,067,978.81
  4. Step 4: Simplify right side
    708,067.13x = 1,140,578,743,948.91
  5. Step 5: Solve for x
    x = 1,140,578,743,948.91/708,067.13
  6. Step 6: Final answer
    x = 1,610,834.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.