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Finding the Third Proportional to 18,661,591.69 and 40,910,410.13

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Solution

The third proportional to 18,661,591.69 and 40,910,410.13 is: 89,684,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,591.69 : 40,910,410.13 = 40,910,410.13 : x
  2. Step 2: Convert to fraction form
    18,661,591.69/40,910,410.13 = 40,910,410.13/x
  3. Step 3: Cross multiply
    18,661,591.69x = 40,910,410.13 × 40,910,410.13
  4. Step 4: Simplify right side
    18,661,591.69x = 1,673,661,656,595,702.50
  5. Step 5: Solve for x
    x = 1,673,661,656,595,702.50/18,661,591.69
  6. Step 6: Final answer
    x = 89,684,828.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.