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Finding the Third Proportional to 18,624.38 and 38,068.88

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Solution

The third proportional to 18,624.38 and 38,068.88 is: 77,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.38 : 38,068.88 = 38,068.88 : x
  2. Step 2: Convert to fraction form
    18,624.38/38,068.88 = 38,068.88/x
  3. Step 3: Cross multiply
    18,624.38x = 38,068.88 × 38,068.88
  4. Step 4: Simplify right side
    18,624.38x = 1,449,239,243.77
  5. Step 5: Solve for x
    x = 1,449,239,243.77/18,624.38
  6. Step 6: Final answer
    x = 77,814.11

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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.