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Finding the Third Proportional to 117,810 and 261,744

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Solution

The third proportional to 117,810 and 261,744 is: 581,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,810 : 261,744 = 261,744 : x
  2. Step 2: Convert to fraction form
    117,810/261,744 = 261,744/x
  3. Step 3: Cross multiply
    117,810x = 261,744 × 261,744
  4. Step 4: Simplify right side
    117,810x = 68,509,921,536
  5. Step 5: Solve for x
    x = 68,509,921,536/117,810
  6. Step 6: Final answer
    x = 581,528.92

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.