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Finding the Third Proportional to 97.13 and 159.56

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Solution

The third proportional to 97.13 and 159.56 is: 262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.13 : 159.56 = 159.56 : x
  2. Step 2: Convert to fraction form
    97.13/159.56 = 159.56/x
  3. Step 3: Cross multiply
    97.13x = 159.56 × 159.56
  4. Step 4: Simplify right side
    97.13x = 25,460.19
  5. Step 5: Solve for x
    x = 25,460.19/97.13
  6. Step 6: Final answer
    x = 262.14

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.