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Finding the Third Proportional to 9,016,872.75 and 21,264,217.88

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Solution

The third proportional to 9,016,872.75 and 21,264,217.88 is: 50,146,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,016,872.75 : 21,264,217.88 = 21,264,217.88 : x
  2. Step 2: Convert to fraction form
    9,016,872.75/21,264,217.88 = 21,264,217.88/x
  3. Step 3: Cross multiply
    9,016,872.75x = 21,264,217.88 × 21,264,217.88
  4. Step 4: Simplify right side
    9,016,872.75x = 452,166,961,835,469.50
  5. Step 5: Solve for x
    x = 452,166,961,835,469.50/9,016,872.75
  6. Step 6: Final answer
    x = 50,146,760.90

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.