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Finding the Third Proportional to 410.06 and 627.91

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Solution

The third proportional to 410.06 and 627.91 is: 961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.06 : 627.91 = 627.91 : x
  2. Step 2: Convert to fraction form
    410.06/627.91 = 627.91/x
  3. Step 3: Cross multiply
    410.06x = 627.91 × 627.91
  4. Step 4: Simplify right side
    410.06x = 394,268.71
  5. Step 5: Solve for x
    x = 394,268.71/410.06
  6. Step 6: Final answer
    x = 961.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.