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Finding the Third Proportional to 38,744,366 and 81,504,172

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Solution

The third proportional to 38,744,366 and 81,504,172 is: 171,455,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,744,366 : 81,504,172 = 81,504,172 : x
  2. Step 2: Convert to fraction form
    38,744,366/81,504,172 = 81,504,172/x
  3. Step 3: Cross multiply
    38,744,366x = 81,504,172 × 81,504,172
  4. Step 4: Simplify right side
    38,744,366x = 6,642,930,053,405,584
  5. Step 5: Solve for x
    x = 6,642,930,053,405,584/38,744,366
  6. Step 6: Final answer
    x = 171,455,381.50

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.