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Finding the Third Proportional to 627.19 and 975.52

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Solution

The third proportional to 627.19 and 975.52 is: 1,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.19 : 975.52 = 975.52 : x
  2. Step 2: Convert to fraction form
    627.19/975.52 = 975.52/x
  3. Step 3: Cross multiply
    627.19x = 975.52 × 975.52
  4. Step 4: Simplify right side
    627.19x = 951,630.73
  5. Step 5: Solve for x
    x = 951,630.73/627.19
  6. Step 6: Final answer
    x = 1,517.30

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.