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Finding the Third Proportional to 1,121,320.13 and 1,681,629.19

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Solution

The third proportional to 1,121,320.13 and 1,681,629.19 is: 2,521,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,320.13 : 1,681,629.19 = 1,681,629.19 : x
  2. Step 2: Convert to fraction form
    1,121,320.13/1,681,629.19 = 1,681,629.19/x
  3. Step 3: Cross multiply
    1,121,320.13x = 1,681,629.19 × 1,681,629.19
  4. Step 4: Simplify right side
    1,121,320.13x = 2,827,876,724,251.91
  5. Step 5: Solve for x
    x = 2,827,876,724,251.91/1,121,320.13
  6. Step 6: Final answer
    x = 2,521,917.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.