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Finding the Third Proportional to 708,903 and 1,555,587

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Solution

The third proportional to 708,903 and 1,555,587 is: 3,413,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,903 : 1,555,587 = 1,555,587 : x
  2. Step 2: Convert to fraction form
    708,903/1,555,587 = 1,555,587/x
  3. Step 3: Cross multiply
    708,903x = 1,555,587 × 1,555,587
  4. Step 4: Simplify right side
    708,903x = 2,419,850,914,569
  5. Step 5: Solve for x
    x = 2,419,850,914,569/708,903
  6. Step 6: Final answer
    x = 3,413,514.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.