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Finding the Third Proportional to 5,387,082.75 and 11,821,839.75

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Solution

The third proportional to 5,387,082.75 and 11,821,839.75 is: 25,942,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,082.75 : 11,821,839.75 = 11,821,839.75 : x
  2. Step 2: Convert to fraction form
    5,387,082.75/11,821,839.75 = 11,821,839.75/x
  3. Step 3: Cross multiply
    5,387,082.75x = 11,821,839.75 × 11,821,839.75
  4. Step 4: Simplify right side
    5,387,082.75x = 139,755,895,074,680.06
  5. Step 5: Solve for x
    x = 139,755,895,074,680.06/5,387,082.75
  6. Step 6: Final answer
    x = 25,942,778.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.