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Finding the Third Proportional to 40,394 and 82,747

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Solution

The third proportional to 40,394 and 82,747 is: 169,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394 : 82,747 = 82,747 : x
  2. Step 2: Convert to fraction form
    40,394/82,747 = 82,747/x
  3. Step 3: Cross multiply
    40,394x = 82,747 × 82,747
  4. Step 4: Simplify right side
    40,394x = 6,847,066,009
  5. Step 5: Solve for x
    x = 6,847,066,009/40,394
  6. Step 6: Final answer
    x = 169,507.01

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.