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Finding the Third Proportional to 63.75 and 151.50

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Solution

The third proportional to 63.75 and 151.50 is: 360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.75 : 151.50 = 151.50 : x
  2. Step 2: Convert to fraction form
    63.75/151.50 = 151.50/x
  3. Step 3: Cross multiply
    63.75x = 151.50 × 151.50
  4. Step 4: Simplify right side
    63.75x = 22,952.25
  5. Step 5: Solve for x
    x = 22,952.25/63.75
  6. Step 6: Final answer
    x = 360.04

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.