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Finding the Third Proportional to 708,871 and 1,555,529

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Solution

The third proportional to 708,871 and 1,555,529 is: 3,413,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,871 : 1,555,529 = 1,555,529 : x
  2. Step 2: Convert to fraction form
    708,871/1,555,529 = 1,555,529/x
  3. Step 3: Cross multiply
    708,871x = 1,555,529 × 1,555,529
  4. Step 4: Simplify right side
    708,871x = 2,419,670,469,841
  5. Step 5: Solve for x
    x = 2,419,670,469,841/708,871
  6. Step 6: Final answer
    x = 3,413,414.39

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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.