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Finding the Third Proportional to 12,882,855 and 28,080,507

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Solution

The third proportional to 12,882,855 and 28,080,507 is: 61,206,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,855 : 28,080,507 = 28,080,507 : x
  2. Step 2: Convert to fraction form
    12,882,855/28,080,507 = 28,080,507/x
  3. Step 3: Cross multiply
    12,882,855x = 28,080,507 × 28,080,507
  4. Step 4: Simplify right side
    12,882,855x = 788,514,873,377,049
  5. Step 5: Solve for x
    x = 788,514,873,377,049/12,882,855
  6. Step 6: Final answer
    x = 61,206,531.73

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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.