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Finding the Third Proportional to 16,864.75 and 36,280.75

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Solution

The third proportional to 16,864.75 and 36,280.75 is: 78,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.75 : 36,280.75 = 36,280.75 : x
  2. Step 2: Convert to fraction form
    16,864.75/36,280.75 = 36,280.75/x
  3. Step 3: Cross multiply
    16,864.75x = 36,280.75 × 36,280.75
  4. Step 4: Simplify right side
    16,864.75x = 1,316,292,820.56
  5. Step 5: Solve for x
    x = 1,316,292,820.56/16,864.75
  6. Step 6: Final answer
    x = 78,049.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.