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Finding the Third Proportional to 5,728,646 and 12,479,836

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Solution

The third proportional to 5,728,646 and 12,479,836 is: 27,187,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,646 : 12,479,836 = 12,479,836 : x
  2. Step 2: Convert to fraction form
    5,728,646/12,479,836 = 12,479,836/x
  3. Step 3: Cross multiply
    5,728,646x = 12,479,836 × 12,479,836
  4. Step 4: Simplify right side
    5,728,646x = 155,746,306,586,896
  5. Step 5: Solve for x
    x = 155,746,306,586,896/5,728,646
  6. Step 6: Final answer
    x = 27,187,280.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.