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Finding the Third Proportional to 16,487 and 39,884.75

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Solution

The third proportional to 16,487 and 39,884.75 is: 96,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487 : 39,884.75 = 39,884.75 : x
  2. Step 2: Convert to fraction form
    16,487/39,884.75 = 39,884.75/x
  3. Step 3: Cross multiply
    16,487x = 39,884.75 × 39,884.75
  4. Step 4: Simplify right side
    16,487x = 1,590,793,282.56
  5. Step 5: Solve for x
    x = 1,590,793,282.56/16,487
  6. Step 6: Final answer
    x = 96,487.73

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.