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Finding the Third Proportional to 68,617,863 and 150,672,654

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Solution

The third proportional to 68,617,863 and 150,672,654 is: 330,850,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,617,863 : 150,672,654 = 150,672,654 : x
  2. Step 2: Convert to fraction form
    68,617,863/150,672,654 = 150,672,654/x
  3. Step 3: Cross multiply
    68,617,863x = 150,672,654 × 150,672,654
  4. Step 4: Simplify right side
    68,617,863x = 22,702,248,663,403,716
  5. Step 5: Solve for x
    x = 22,702,248,663,403,716/68,617,863
  6. Step 6: Final answer
    x = 330,850,418.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.