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Finding the Third Proportional to 628.50 and 952.88

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Solution

The third proportional to 628.50 and 952.88 is: 1,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.50 : 952.88 = 952.88 : x
  2. Step 2: Convert to fraction form
    628.50/952.88 = 952.88/x
  3. Step 3: Cross multiply
    628.50x = 952.88 × 952.88
  4. Step 4: Simplify right side
    628.50x = 907,970.77
  5. Step 5: Solve for x
    x = 907,970.77/628.50
  6. Step 6: Final answer
    x = 1,444.66

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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.