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Finding the Third Proportional to 2,829,576 and 3,999,987

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Solution

The third proportional to 2,829,576 and 3,999,987 is: 5,654,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829,576 : 3,999,987 = 3,999,987 : x
  2. Step 2: Convert to fraction form
    2,829,576/3,999,987 = 3,999,987/x
  3. Step 3: Cross multiply
    2,829,576x = 3,999,987 × 3,999,987
  4. Step 4: Simplify right side
    2,829,576x = 15,999,896,000,169
  5. Step 5: Solve for x
    x = 15,999,896,000,169/2,829,576
  6. Step 6: Final answer
    x = 5,654,520.68

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.