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Finding the Third Proportional to 16,921.13 and 36,550.13

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Solution

The third proportional to 16,921.13 and 36,550.13 is: 78,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.13 : 36,550.13 = 36,550.13 : x
  2. Step 2: Convert to fraction form
    16,921.13/36,550.13 = 36,550.13/x
  3. Step 3: Cross multiply
    16,921.13x = 36,550.13 × 36,550.13
  4. Step 4: Simplify right side
    16,921.13x = 1,335,911,637.52
  5. Step 5: Solve for x
    x = 1,335,911,637.52/16,921.13
  6. Step 6: Final answer
    x = 78,949.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.