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Finding the Third Proportional to 38,899.76 and 79,227.14

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Solution

The third proportional to 38,899.76 and 79,227.14 is: 161,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.76 : 79,227.14 = 79,227.14 : x
  2. Step 2: Convert to fraction form
    38,899.76/79,227.14 = 79,227.14/x
  3. Step 3: Cross multiply
    38,899.76x = 79,227.14 × 79,227.14
  4. Step 4: Simplify right side
    38,899.76x = 6,276,939,811.61
  5. Step 5: Solve for x
    x = 6,276,939,811.61/38,899.76
  6. Step 6: Final answer
    x = 161,361.93

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.