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Finding the Third Proportional to 415.97 and 652.50

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Solution

The third proportional to 415.97 and 652.50 is: 1,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.97 : 652.50 = 652.50 : x
  2. Step 2: Convert to fraction form
    415.97/652.50 = 652.50/x
  3. Step 3: Cross multiply
    415.97x = 652.50 × 652.50
  4. Step 4: Simplify right side
    415.97x = 425,756.25
  5. Step 5: Solve for x
    x = 425,756.25/415.97
  6. Step 6: Final answer
    x = 1,023.53

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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.