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Finding the Third Proportional to 15,894 and 34,555

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Solution

The third proportional to 15,894 and 34,555 is: 75,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894 : 34,555 = 34,555 : x
  2. Step 2: Convert to fraction form
    15,894/34,555 = 34,555/x
  3. Step 3: Cross multiply
    15,894x = 34,555 × 34,555
  4. Step 4: Simplify right side
    15,894x = 1,194,048,025
  5. Step 5: Solve for x
    x = 1,194,048,025/15,894
  6. Step 6: Final answer
    x = 75,125.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.