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Finding the Third Proportional to 32.96 and 72.51

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Solution

The third proportional to 32.96 and 72.51 is: 159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.96 : 72.51 = 72.51 : x
  2. Step 2: Convert to fraction form
    32.96/72.51 = 72.51/x
  3. Step 3: Cross multiply
    32.96x = 72.51 × 72.51
  4. Step 4: Simplify right side
    32.96x = 5,257.67
  5. Step 5: Solve for x
    x = 5,257.67/32.96
  6. Step 6: Final answer
    x = 159.52

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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.