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Finding the Third Proportional to 97.88 and 147.66

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Solution

The third proportional to 97.88 and 147.66 is: 222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.88 : 147.66 = 147.66 : x
  2. Step 2: Convert to fraction form
    97.88/147.66 = 147.66/x
  3. Step 3: Cross multiply
    97.88x = 147.66 × 147.66
  4. Step 4: Simplify right side
    97.88x = 21,802.37
  5. Step 5: Solve for x
    x = 21,802.37/97.88
  6. Step 6: Final answer
    x = 222.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.