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Finding the Third Proportional to 38,491,494.26 and 79,711,390.62

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Solution

The third proportional to 38,491,494.26 and 79,711,390.62 is: 165,072,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491,494.26 : 79,711,390.62 = 79,711,390.62 : x
  2. Step 2: Convert to fraction form
    38,491,494.26/79,711,390.62 = 79,711,390.62/x
  3. Step 3: Cross multiply
    38,491,494.26x = 79,711,390.62 × 79,711,390.62
  4. Step 4: Simplify right side
    38,491,494.26x = 6,353,905,794,125,928
  5. Step 5: Solve for x
    x = 6,353,905,794,125,928/38,491,494.26
  6. Step 6: Final answer
    x = 165,072,983.44

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.