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Finding the Third Proportional to 267,901 and 408,132.50

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Solution

The third proportional to 267,901 and 408,132.50 is: 621,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,901 : 408,132.50 = 408,132.50 : x
  2. Step 2: Convert to fraction form
    267,901/408,132.50 = 408,132.50/x
  3. Step 3: Cross multiply
    267,901x = 408,132.50 × 408,132.50
  4. Step 4: Simplify right side
    267,901x = 166,572,137,556.25
  5. Step 5: Solve for x
    x = 166,572,137,556.25/267,901
  6. Step 6: Final answer
    x = 621,767.51

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.