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Finding the Third Proportional to 7,068,135 and 15,387,663

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Solution

The third proportional to 7,068,135 and 15,387,663 is: 33,499,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068,135 : 15,387,663 = 15,387,663 : x
  2. Step 2: Convert to fraction form
    7,068,135/15,387,663 = 15,387,663/x
  3. Step 3: Cross multiply
    7,068,135x = 15,387,663 × 15,387,663
  4. Step 4: Simplify right side
    7,068,135x = 236,780,172,601,569
  5. Step 5: Solve for x
    x = 236,780,172,601,569/7,068,135
  6. Step 6: Final answer
    x = 33,499,667.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.