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Finding the Third Proportional to 79,744.50 and 108,349.88

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Solution

The third proportional to 79,744.50 and 108,349.88 is: 147,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744.50 : 108,349.88 = 108,349.88 : x
  2. Step 2: Convert to fraction form
    79,744.50/108,349.88 = 108,349.88/x
  3. Step 3: Cross multiply
    79,744.50x = 108,349.88 × 108,349.88
  4. Step 4: Simplify right side
    79,744.50x = 11,739,695,412.52
  5. Step 5: Solve for x
    x = 11,739,695,412.52/79,744.50
  6. Step 6: Final answer
    x = 147,216.36

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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.