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Finding the Third Proportional to 63.56 and 147

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Solution

The third proportional to 63.56 and 147 is: 339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.56 : 147 = 147 : x
  2. Step 2: Convert to fraction form
    63.56/147 = 147/x
  3. Step 3: Cross multiply
    63.56x = 147 × 147
  4. Step 4: Simplify right side
    63.56x = 21,609
  5. Step 5: Solve for x
    x = 21,609/63.56
  6. Step 6: Final answer
    x = 339.96

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.