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Finding the Third Proportional to 689,366.25 and 1,034,778.38

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Solution

The third proportional to 689,366.25 and 1,034,778.38 is: 1,553,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,366.25 : 1,034,778.38 = 1,034,778.38 : x
  2. Step 2: Convert to fraction form
    689,366.25/1,034,778.38 = 1,034,778.38/x
  3. Step 3: Cross multiply
    689,366.25x = 1,034,778.38 × 1,034,778.38
  4. Step 4: Simplify right side
    689,366.25x = 1,070,766,285,367.64
  5. Step 5: Solve for x
    x = 1,070,766,285,367.64/689,366.25
  6. Step 6: Final answer
    x = 1,553,261.83

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Why These Related Problems?

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