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Finding the Third Proportional to 70,031 and 108,617

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Solution

The third proportional to 70,031 and 108,617 is: 168,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,031 : 108,617 = 108,617 : x
  2. Step 2: Convert to fraction form
    70,031/108,617 = 108,617/x
  3. Step 3: Cross multiply
    70,031x = 108,617 × 108,617
  4. Step 4: Simplify right side
    70,031x = 11,797,652,689
  5. Step 5: Solve for x
    x = 11,797,652,689/70,031
  6. Step 6: Final answer
    x = 168,463.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.