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Finding the Third Proportional to 37,679,670 and 81,132,932

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Solution

The third proportional to 37,679,670 and 81,132,932 is: 174,697,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,679,670 : 81,132,932 = 81,132,932 : x
  2. Step 2: Convert to fraction form
    37,679,670/81,132,932 = 81,132,932/x
  3. Step 3: Cross multiply
    37,679,670x = 81,132,932 × 81,132,932
  4. Step 4: Simplify right side
    37,679,670x = 6,582,552,654,916,624
  5. Step 5: Solve for x
    x = 6,582,552,654,916,624/37,679,670
  6. Step 6: Final answer
    x = 174,697,725.72

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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.