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Finding the Third Proportional to 3,893,220 and 5,207,757

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Solution

The third proportional to 3,893,220 and 5,207,757 is: 6,966,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,220 : 5,207,757 = 5,207,757 : x
  2. Step 2: Convert to fraction form
    3,893,220/5,207,757 = 5,207,757/x
  3. Step 3: Cross multiply
    3,893,220x = 5,207,757 × 5,207,757
  4. Step 4: Simplify right side
    3,893,220x = 27,120,732,971,049
  5. Step 5: Solve for x
    x = 27,120,732,971,049/3,893,220
  6. Step 6: Final answer
    x = 6,966,144.47

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.