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Finding the Third Proportional to 8,386,916 and 18,344,098

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Solution

The third proportional to 8,386,916 and 18,344,098 is: 40,122,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386,916 : 18,344,098 = 18,344,098 : x
  2. Step 2: Convert to fraction form
    8,386,916/18,344,098 = 18,344,098/x
  3. Step 3: Cross multiply
    8,386,916x = 18,344,098 × 18,344,098
  4. Step 4: Simplify right side
    8,386,916x = 336,505,931,433,604
  5. Step 5: Solve for x
    x = 336,505,931,433,604/8,386,916
  6. Step 6: Final answer
    x = 40,122,725.85

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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.