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Finding the Third Proportional to 117,540 and 255,592

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Solution

The third proportional to 117,540 and 255,592 is: 555,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,540 : 255,592 = 255,592 : x
  2. Step 2: Convert to fraction form
    117,540/255,592 = 255,592/x
  3. Step 3: Cross multiply
    117,540x = 255,592 × 255,592
  4. Step 4: Simplify right side
    117,540x = 65,327,270,464
  5. Step 5: Solve for x
    x = 65,327,270,464/117,540
  6. Step 6: Final answer
    x = 555,787.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.