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Finding the Third Proportional to 12,882,540 and 28,080,024

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Solution

The third proportional to 12,882,540 and 28,080,024 is: 61,205,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,540 : 28,080,024 = 28,080,024 : x
  2. Step 2: Convert to fraction form
    12,882,540/28,080,024 = 28,080,024/x
  3. Step 3: Cross multiply
    12,882,540x = 28,080,024 × 28,080,024
  4. Step 4: Simplify right side
    12,882,540x = 788,487,747,840,576
  5. Step 5: Solve for x
    x = 788,487,747,840,576/12,882,540
  6. Step 6: Final answer
    x = 61,205,922.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.