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Finding the Third Proportional to 624 and 882.75

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Solution

The third proportional to 624 and 882.75 is: 1,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    624 : 882.75 = 882.75 : x
  2. Step 2: Convert to fraction form
    624/882.75 = 882.75/x
  3. Step 3: Cross multiply
    624x = 882.75 × 882.75
  4. Step 4: Simplify right side
    624x = 779,247.56
  5. Step 5: Solve for x
    x = 779,247.56/624
  6. Step 6: Final answer
    x = 1,248.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.