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Finding the Third Proportional to 5,739,515 and 12,487,893

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Solution

The third proportional to 5,739,515 and 12,487,893 is: 27,170,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,515 : 12,487,893 = 12,487,893 : x
  2. Step 2: Convert to fraction form
    5,739,515/12,487,893 = 12,487,893/x
  3. Step 3: Cross multiply
    5,739,515x = 12,487,893 × 12,487,893
  4. Step 4: Simplify right side
    5,739,515x = 155,947,471,579,449
  5. Step 5: Solve for x
    x = 155,947,471,579,449/5,739,515
  6. Step 6: Final answer
    x = 27,170,844.85

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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.