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Finding the Third Proportional to 626.06 and 928.13

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Solution

The third proportional to 626.06 and 928.13 is: 1,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.06 : 928.13 = 928.13 : x
  2. Step 2: Convert to fraction form
    626.06/928.13 = 928.13/x
  3. Step 3: Cross multiply
    626.06x = 928.13 × 928.13
  4. Step 4: Simplify right side
    626.06x = 861,416.02
  5. Step 5: Solve for x
    x = 861,416.02/626.06
  6. Step 6: Final answer
    x = 1,375.93

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.