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Finding the Third Proportional to 39,026 and 82,696

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Solution

The third proportional to 39,026 and 82,696 is: 175,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026 : 82,696 = 82,696 : x
  2. Step 2: Convert to fraction form
    39,026/82,696 = 82,696/x
  3. Step 3: Cross multiply
    39,026x = 82,696 × 82,696
  4. Step 4: Simplify right side
    39,026x = 6,838,628,416
  5. Step 5: Solve for x
    x = 6,838,628,416/39,026
  6. Step 6: Final answer
    x = 175,232.62

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.