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Finding the Third Proportional to 721,594 and 1,558,815

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Solution

The third proportional to 721,594 and 1,558,815 is: 3,367,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,594 : 1,558,815 = 1,558,815 : x
  2. Step 2: Convert to fraction form
    721,594/1,558,815 = 1,558,815/x
  3. Step 3: Cross multiply
    721,594x = 1,558,815 × 1,558,815
  4. Step 4: Simplify right side
    721,594x = 2,429,904,204,225
  5. Step 5: Solve for x
    x = 2,429,904,204,225/721,594
  6. Step 6: Final answer
    x = 3,367,411.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.