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Finding the Third Proportional to 97.38 and 153.63

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Solution

The third proportional to 97.38 and 153.63 is: 242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.38 : 153.63 = 153.63 : x
  2. Step 2: Convert to fraction form
    97.38/153.63 = 153.63/x
  3. Step 3: Cross multiply
    97.38x = 153.63 × 153.63
  4. Step 4: Simplify right side
    97.38x = 23,600.64
  5. Step 5: Solve for x
    x = 23,600.64/97.38
  6. Step 6: Final answer
    x = 242.37

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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.