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Finding the Third Proportional to 766,635.75 and 1,202,789.25

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Solution

The third proportional to 766,635.75 and 1,202,789.25 is: 1,887,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,635.75 : 1,202,789.25 = 1,202,789.25 : x
  2. Step 2: Convert to fraction form
    766,635.75/1,202,789.25 = 1,202,789.25/x
  3. Step 3: Cross multiply
    766,635.75x = 1,202,789.25 × 1,202,789.25
  4. Step 4: Simplify right side
    766,635.75x = 1,446,701,979,915.56
  5. Step 5: Solve for x
    x = 1,446,701,979,915.56/766,635.75
  6. Step 6: Final answer
    x = 1,887,078.68

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.