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Finding the Third Proportional to 101.47 and 160.69

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Solution

The third proportional to 101.47 and 160.69 is: 254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.47 : 160.69 = 160.69 : x
  2. Step 2: Convert to fraction form
    101.47/160.69 = 160.69/x
  3. Step 3: Cross multiply
    101.47x = 160.69 × 160.69
  4. Step 4: Simplify right side
    101.47x = 25,820.47
  5. Step 5: Solve for x
    x = 25,820.47/101.47
  6. Step 6: Final answer
    x = 254.47

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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.