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Finding the Third Proportional to 8,387,484 and 18,344,976

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Solution

The third proportional to 8,387,484 and 18,344,976 is: 40,123,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,484 : 18,344,976 = 18,344,976 : x
  2. Step 2: Convert to fraction form
    8,387,484/18,344,976 = 18,344,976/x
  3. Step 3: Cross multiply
    8,387,484x = 18,344,976 × 18,344,976
  4. Step 4: Simplify right side
    8,387,484x = 336,538,144,440,576
  5. Step 5: Solve for x
    x = 336,538,144,440,576/8,387,484
  6. Step 6: Final answer
    x = 40,123,849.35

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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.