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Finding the Third Proportional to 147 and 171.50

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Solution

The third proportional to 147 and 171.50 is: 200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147 : 171.50 = 171.50 : x
  2. Step 2: Convert to fraction form
    147/171.50 = 171.50/x
  3. Step 3: Cross multiply
    147x = 171.50 × 171.50
  4. Step 4: Simplify right side
    147x = 29,412.25
  5. Step 5: Solve for x
    x = 29,412.25/147
  6. Step 6: Final answer
    x = 200.08

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These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.