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Finding the Third Proportional to 5,469,888 and 11,989,452

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Solution

The third proportional to 5,469,888 and 11,989,452 is: 26,279,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469,888 : 11,989,452 = 11,989,452 : x
  2. Step 2: Convert to fraction form
    5,469,888/11,989,452 = 11,989,452/x
  3. Step 3: Cross multiply
    5,469,888x = 11,989,452 × 11,989,452
  4. Step 4: Simplify right side
    5,469,888x = 143,746,959,260,304
  5. Step 5: Solve for x
    x = 143,746,959,260,304/5,469,888
  6. Step 6: Final answer
    x = 26,279,689.69

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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.