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Finding the Third Proportional to 63 and 122.25

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Solution

The third proportional to 63 and 122.25 is: 237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63 : 122.25 = 122.25 : x
  2. Step 2: Convert to fraction form
    63/122.25 = 122.25/x
  3. Step 3: Cross multiply
    63x = 122.25 × 122.25
  4. Step 4: Simplify right side
    63x = 14,945.06
  5. Step 5: Solve for x
    x = 14,945.06/63
  6. Step 6: Final answer
    x = 237.22

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.