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Finding the Third Proportional to 51,639 and 109,481.25

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Solution

The third proportional to 51,639 and 109,481.25 is: 232,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,639 : 109,481.25 = 109,481.25 : x
  2. Step 2: Convert to fraction form
    51,639/109,481.25 = 109,481.25/x
  3. Step 3: Cross multiply
    51,639x = 109,481.25 × 109,481.25
  4. Step 4: Simplify right side
    51,639x = 11,986,144,101.56
  5. Step 5: Solve for x
    x = 11,986,144,101.56/51,639
  6. Step 6: Final answer
    x = 232,114.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.