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Finding the Third Proportional to 3,959,172 and 8,675,116.88

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Solution

The third proportional to 3,959,172 and 8,675,116.88 is: 19,008,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,172 : 8,675,116.88 = 8,675,116.88 : x
  2. Step 2: Convert to fraction form
    3,959,172/8,675,116.88 = 8,675,116.88/x
  3. Step 3: Cross multiply
    3,959,172x = 8,675,116.88 × 8,675,116.88
  4. Step 4: Simplify right side
    3,959,172x = 75,257,652,794,909.77
  5. Step 5: Solve for x
    x = 75,257,652,794,909.77/3,959,172
  6. Step 6: Final answer
    x = 19,008,432.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.