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Finding the Third Proportional to 3,899,522.25 and 8,415,592.88

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Solution

The third proportional to 3,899,522.25 and 8,415,592.88 is: 18,161,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,522.25 : 8,415,592.88 = 8,415,592.88 : x
  2. Step 2: Convert to fraction form
    3,899,522.25/8,415,592.88 = 8,415,592.88/x
  3. Step 3: Cross multiply
    3,899,522.25x = 8,415,592.88 × 8,415,592.88
  4. Step 4: Simplify right side
    3,899,522.25x = 70,822,203,437,750.77
  5. Step 5: Solve for x
    x = 70,822,203,437,750.77/3,899,522.25
  6. Step 6: Final answer
    x = 18,161,764.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.