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Finding the Third Proportional to 620.75 and 952.88

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Solution

The third proportional to 620.75 and 952.88 is: 1,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.75 : 952.88 = 952.88 : x
  2. Step 2: Convert to fraction form
    620.75/952.88 = 952.88/x
  3. Step 3: Cross multiply
    620.75x = 952.88 × 952.88
  4. Step 4: Simplify right side
    620.75x = 907,970.77
  5. Step 5: Solve for x
    x = 907,970.77/620.75
  6. Step 6: Final answer
    x = 1,462.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.