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Finding the Third Proportional to 50,940 and 120,432

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Solution

The third proportional to 50,940 and 120,432 is: 284,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,940 : 120,432 = 120,432 : x
  2. Step 2: Convert to fraction form
    50,940/120,432 = 120,432/x
  3. Step 3: Cross multiply
    50,940x = 120,432 × 120,432
  4. Step 4: Simplify right side
    50,940x = 14,503,866,624
  5. Step 5: Solve for x
    x = 14,503,866,624/50,940
  6. Step 6: Final answer
    x = 284,724.51

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.