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Finding the Third Proportional to 96.19 and 106.31

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Solution

The third proportional to 96.19 and 106.31 is: 117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.19 : 106.31 = 106.31 : x
  2. Step 2: Convert to fraction form
    96.19/106.31 = 106.31/x
  3. Step 3: Cross multiply
    96.19x = 106.31 × 106.31
  4. Step 4: Simplify right side
    96.19x = 11,302.35
  5. Step 5: Solve for x
    x = 11,302.35/96.19
  6. Step 6: Final answer
    x = 117.50

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.