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Finding the Third Proportional to 15,937.50 and 43,359

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Solution

The third proportional to 15,937.50 and 43,359 is: 117,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.50 : 43,359 = 43,359 : x
  2. Step 2: Convert to fraction form
    15,937.50/43,359 = 43,359/x
  3. Step 3: Cross multiply
    15,937.50x = 43,359 × 43,359
  4. Step 4: Simplify right side
    15,937.50x = 1,880,002,881
  5. Step 5: Solve for x
    x = 1,880,002,881/15,937.50
  6. Step 6: Final answer
    x = 117,960.97

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.