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Finding the Third Proportional to 8,688,591 and 18,722,754

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Solution

The third proportional to 8,688,591 and 18,722,754 is: 40,345,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,591 : 18,722,754 = 18,722,754 : x
  2. Step 2: Convert to fraction form
    8,688,591/18,722,754 = 18,722,754/x
  3. Step 3: Cross multiply
    8,688,591x = 18,722,754 × 18,722,754
  4. Step 4: Simplify right side
    8,688,591x = 350,541,517,344,516
  5. Step 5: Solve for x
    x = 350,541,517,344,516/8,688,591
  6. Step 6: Final answer
    x = 40,345,036.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.