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Finding the Third Proportional to 1,057,687.88 and 2,171,691

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Solution

The third proportional to 1,057,687.88 and 2,171,691 is: 4,459,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,687.88 : 2,171,691 = 2,171,691 : x
  2. Step 2: Convert to fraction form
    1,057,687.88/2,171,691 = 2,171,691/x
  3. Step 3: Cross multiply
    1,057,687.88x = 2,171,691 × 2,171,691
  4. Step 4: Simplify right side
    1,057,687.88x = 4,716,241,799,481
  5. Step 5: Solve for x
    x = 4,716,241,799,481/1,057,687.88
  6. Step 6: Final answer
    x = 4,459,010.93

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.