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Finding the Third Proportional to 115,912.31 and 247,135.13

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Solution

The third proportional to 115,912.31 and 247,135.13 is: 526,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912.31 : 247,135.13 = 247,135.13 : x
  2. Step 2: Convert to fraction form
    115,912.31/247,135.13 = 247,135.13/x
  3. Step 3: Cross multiply
    115,912.31x = 247,135.13 × 247,135.13
  4. Step 4: Simplify right side
    115,912.31x = 61,075,770,008.77
  5. Step 5: Solve for x
    x = 61,075,770,008.77/115,912.31
  6. Step 6: Final answer
    x = 526,913.57

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.