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Finding the Third Proportional to 276,918.75 and 653,335.88

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Solution

The third proportional to 276,918.75 and 653,335.88 is: 1,541,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,918.75 : 653,335.88 = 653,335.88 : x
  2. Step 2: Convert to fraction form
    276,918.75/653,335.88 = 653,335.88/x
  3. Step 3: Cross multiply
    276,918.75x = 653,335.88 × 653,335.88
  4. Step 4: Simplify right side
    276,918.75x = 426,847,765,562.02
  5. Step 5: Solve for x
    x = 426,847,765,562.02/276,918.75
  6. Step 6: Final answer
    x = 1,541,418.79

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.