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Finding the Third Proportional to 626.91 and 951.05

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Solution

The third proportional to 626.91 and 951.05 is: 1,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.91 : 951.05 = 951.05 : x
  2. Step 2: Convert to fraction form
    626.91/951.05 = 951.05/x
  3. Step 3: Cross multiply
    626.91x = 951.05 × 951.05
  4. Step 4: Simplify right side
    626.91x = 904,490.16
  5. Step 5: Solve for x
    x = 904,490.16/626.91
  6. Step 6: Final answer
    x = 1,442.78

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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.