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Finding the Third Proportional to 147,839 and 231,649

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Solution

The third proportional to 147,839 and 231,649 is: 362,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,839 : 231,649 = 231,649 : x
  2. Step 2: Convert to fraction form
    147,839/231,649 = 231,649/x
  3. Step 3: Cross multiply
    147,839x = 231,649 × 231,649
  4. Step 4: Simplify right side
    147,839x = 53,661,259,201
  5. Step 5: Solve for x
    x = 53,661,259,201/147,839
  6. Step 6: Final answer
    x = 362,970.93

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.