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Finding the Third Proportional to 3,715,881 and 5,430,441

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Solution

The third proportional to 3,715,881 and 5,430,441 is: 7,936,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715,881 : 5,430,441 = 5,430,441 : x
  2. Step 2: Convert to fraction form
    3,715,881/5,430,441 = 5,430,441/x
  3. Step 3: Cross multiply
    3,715,881x = 5,430,441 × 5,430,441
  4. Step 4: Simplify right side
    3,715,881x = 29,489,689,454,481
  5. Step 5: Solve for x
    x = 29,489,689,454,481/3,715,881
  6. Step 6: Final answer
    x = 7,936,123.21

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.