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Finding the Third Proportional to 12,486 and 26,808

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Solution

The third proportional to 12,486 and 26,808 is: 57,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486 : 26,808 = 26,808 : x
  2. Step 2: Convert to fraction form
    12,486/26,808 = 26,808/x
  3. Step 3: Cross multiply
    12,486x = 26,808 × 26,808
  4. Step 4: Simplify right side
    12,486x = 718,668,864
  5. Step 5: Solve for x
    x = 718,668,864/12,486
  6. Step 6: Final answer
    x = 57,557.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.