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Finding the Third Proportional to 3,936,393 and 8,476,506

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Solution

The third proportional to 3,936,393 and 8,476,506 is: 18,253,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,393 : 8,476,506 = 8,476,506 : x
  2. Step 2: Convert to fraction form
    3,936,393/8,476,506 = 8,476,506/x
  3. Step 3: Cross multiply
    3,936,393x = 8,476,506 × 8,476,506
  4. Step 4: Simplify right side
    3,936,393x = 71,851,153,968,036
  5. Step 5: Solve for x
    x = 71,851,153,968,036/3,936,393
  6. Step 6: Final answer
    x = 18,253,043.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.