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Finding the Third Proportional to 117.56 and 176.34

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Solution

The third proportional to 117.56 and 176.34 is: 264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.56 : 176.34 = 176.34 : x
  2. Step 2: Convert to fraction form
    117.56/176.34 = 176.34/x
  3. Step 3: Cross multiply
    117.56x = 176.34 × 176.34
  4. Step 4: Simplify right side
    117.56x = 31,097.12
  5. Step 5: Solve for x
    x = 31,097.12/117.56
  6. Step 6: Final answer
    x = 264.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.