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Finding the Third Proportional to 124,920.98 and 274,747.57

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Solution

The third proportional to 124,920.98 and 274,747.57 is: 604,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.98 : 274,747.57 = 274,747.57 : x
  2. Step 2: Convert to fraction form
    124,920.98/274,747.57 = 274,747.57/x
  3. Step 3: Cross multiply
    124,920.98x = 274,747.57 × 274,747.57
  4. Step 4: Simplify right side
    124,920.98x = 75,486,227,392.62
  5. Step 5: Solve for x
    x = 75,486,227,392.62/124,920.98
  6. Step 6: Final answer
    x = 604,271.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.