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Finding the Third Proportional to 27,834 and 41,987

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Solution

The third proportional to 27,834 and 41,987 is: 63,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834 : 41,987 = 41,987 : x
  2. Step 2: Convert to fraction form
    27,834/41,987 = 41,987/x
  3. Step 3: Cross multiply
    27,834x = 41,987 × 41,987
  4. Step 4: Simplify right side
    27,834x = 1,762,908,169
  5. Step 5: Solve for x
    x = 1,762,908,169/27,834
  6. Step 6: Final answer
    x = 63,336.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.