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Finding the Third Proportional to 61,184 and 86,163

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Solution

The third proportional to 61,184 and 86,163 is: 121,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,184 : 86,163 = 86,163 : x
  2. Step 2: Convert to fraction form
    61,184/86,163 = 86,163/x
  3. Step 3: Cross multiply
    61,184x = 86,163 × 86,163
  4. Step 4: Simplify right side
    61,184x = 7,424,062,569
  5. Step 5: Solve for x
    x = 7,424,062,569/61,184
  6. Step 6: Final answer
    x = 121,339.93

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.