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Finding the Third Proportional to 275,647.50 and 415,077.75

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Solution

The third proportional to 275,647.50 and 415,077.75 is: 625,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,647.50 : 415,077.75 = 415,077.75 : x
  2. Step 2: Convert to fraction form
    275,647.50/415,077.75 = 415,077.75/x
  3. Step 3: Cross multiply
    275,647.50x = 415,077.75 × 415,077.75
  4. Step 4: Simplify right side
    275,647.50x = 172,289,538,545.06
  5. Step 5: Solve for x
    x = 172,289,538,545.06/275,647.50
  6. Step 6: Final answer
    x = 625,035.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.