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Finding the Third Proportional to 22,112 and 31,259

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Solution

The third proportional to 22,112 and 31,259 is: 44,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112 : 31,259 = 31,259 : x
  2. Step 2: Convert to fraction form
    22,112/31,259 = 31,259/x
  3. Step 3: Cross multiply
    22,112x = 31,259 × 31,259
  4. Step 4: Simplify right side
    22,112x = 977,125,081
  5. Step 5: Solve for x
    x = 977,125,081/22,112
  6. Step 6: Final answer
    x = 44,189.81

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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.