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Finding the Third Proportional to 120,656 and 244,554

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Solution

The third proportional to 120,656 and 244,554 is: 495,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,656 : 244,554 = 244,554 : x
  2. Step 2: Convert to fraction form
    120,656/244,554 = 244,554/x
  3. Step 3: Cross multiply
    120,656x = 244,554 × 244,554
  4. Step 4: Simplify right side
    120,656x = 59,806,658,916
  5. Step 5: Solve for x
    x = 59,806,658,916/120,656
  6. Step 6: Final answer
    x = 495,679.11

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.