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Finding the Third Proportional to 12,976.88 and 28,493.44

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Solution

The third proportional to 12,976.88 and 28,493.44 is: 62,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.88 : 28,493.44 = 28,493.44 : x
  2. Step 2: Convert to fraction form
    12,976.88/28,493.44 = 28,493.44/x
  3. Step 3: Cross multiply
    12,976.88x = 28,493.44 × 28,493.44
  4. Step 4: Simplify right side
    12,976.88x = 811,875,980.57
  5. Step 5: Solve for x
    x = 811,875,980.57/12,976.88
  6. Step 6: Final answer
    x = 62,563.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.