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Finding the Third Proportional to 64.13 and 101.25

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Solution

The third proportional to 64.13 and 101.25 is: 159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.13 : 101.25 = 101.25 : x
  2. Step 2: Convert to fraction form
    64.13/101.25 = 101.25/x
  3. Step 3: Cross multiply
    64.13x = 101.25 × 101.25
  4. Step 4: Simplify right side
    64.13x = 10,251.56
  5. Step 5: Solve for x
    x = 10,251.56/64.13
  6. Step 6: Final answer
    x = 159.87

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Why These Related Problems?

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