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Finding the Third Proportional to 116.88 and 176.19

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Solution

The third proportional to 116.88 and 176.19 is: 265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.88 : 176.19 = 176.19 : x
  2. Step 2: Convert to fraction form
    116.88/176.19 = 176.19/x
  3. Step 3: Cross multiply
    116.88x = 176.19 × 176.19
  4. Step 4: Simplify right side
    116.88x = 31,042.04
  5. Step 5: Solve for x
    x = 31,042.04/116.88
  6. Step 6: Final answer
    x = 265.60

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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.