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Finding the Third Proportional to 75.94 and 117.70

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Solution

The third proportional to 75.94 and 117.70 is: 182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.94 : 117.70 = 117.70 : x
  2. Step 2: Convert to fraction form
    75.94/117.70 = 117.70/x
  3. Step 3: Cross multiply
    75.94x = 117.70 × 117.70
  4. Step 4: Simplify right side
    75.94x = 13,854.03
  5. Step 5: Solve for x
    x = 13,854.03/75.94
  6. Step 6: Final answer
    x = 182.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.