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Finding the Third Proportional to 12,982,922.25 and 28,120,282.13

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Solution

The third proportional to 12,982,922.25 and 28,120,282.13 is: 60,906,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982,922.25 : 28,120,282.13 = 28,120,282.13 : x
  2. Step 2: Convert to fraction form
    12,982,922.25/28,120,282.13 = 28,120,282.13/x
  3. Step 3: Cross multiply
    12,982,922.25x = 28,120,282.13 × 28,120,282.13
  4. Step 4: Simplify right side
    12,982,922.25x = 790,750,266,789,594.50
  5. Step 5: Solve for x
    x = 790,750,266,789,594.50/12,982,922.25
  6. Step 6: Final answer
    x = 60,906,955.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.