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Finding the Third Proportional to 41,122 and 61,987

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Solution

The third proportional to 41,122 and 61,987 is: 93,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,122 : 61,987 = 61,987 : x
  2. Step 2: Convert to fraction form
    41,122/61,987 = 61,987/x
  3. Step 3: Cross multiply
    41,122x = 61,987 × 61,987
  4. Step 4: Simplify right side
    41,122x = 3,842,388,169
  5. Step 5: Solve for x
    x = 3,842,388,169/41,122
  6. Step 6: Final answer
    x = 93,438.75

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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.