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Finding the Third Proportional to 79,663.50 and 108,246.38

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Solution

The third proportional to 79,663.50 and 108,246.38 is: 147,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,663.50 : 108,246.38 = 108,246.38 : x
  2. Step 2: Convert to fraction form
    79,663.50/108,246.38 = 108,246.38/x
  3. Step 3: Cross multiply
    79,663.50x = 108,246.38 × 108,246.38
  4. Step 4: Simplify right side
    79,663.50x = 11,717,277,700.64
  5. Step 5: Solve for x
    x = 11,717,277,700.64/79,663.50
  6. Step 6: Final answer
    x = 147,084.65

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.