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Finding the Third Proportional to 48,685 and 75,177

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Solution

The third proportional to 48,685 and 75,177 is: 116,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685 : 75,177 = 75,177 : x
  2. Step 2: Convert to fraction form
    48,685/75,177 = 75,177/x
  3. Step 3: Cross multiply
    48,685x = 75,177 × 75,177
  4. Step 4: Simplify right side
    48,685x = 5,651,581,329
  5. Step 5: Solve for x
    x = 5,651,581,329/48,685
  6. Step 6: Final answer
    x = 116,084.65

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.