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Finding the Third Proportional to 32.53 and 71.53

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Solution

The third proportional to 32.53 and 71.53 is: 157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.53 : 71.53 = 71.53 : x
  2. Step 2: Convert to fraction form
    32.53/71.53 = 71.53/x
  3. Step 3: Cross multiply
    32.53x = 71.53 × 71.53
  4. Step 4: Simplify right side
    32.53x = 5,116.72
  5. Step 5: Solve for x
    x = 5,116.72/32.53
  6. Step 6: Final answer
    x = 157.29

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.