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Finding the Third Proportional to 587,158 and 899,691

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Solution

The third proportional to 587,158 and 899,691 is: 1,378,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,158 : 899,691 = 899,691 : x
  2. Step 2: Convert to fraction form
    587,158/899,691 = 899,691/x
  3. Step 3: Cross multiply
    587,158x = 899,691 × 899,691
  4. Step 4: Simplify right side
    587,158x = 809,443,895,481
  5. Step 5: Solve for x
    x = 809,443,895,481/587,158
  6. Step 6: Final answer
    x = 1,378,579.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.