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Finding the Third Proportional to 18,206 and 26,712

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Solution

The third proportional to 18,206 and 26,712 is: 39,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206 : 26,712 = 26,712 : x
  2. Step 2: Convert to fraction form
    18,206/26,712 = 26,712/x
  3. Step 3: Cross multiply
    18,206x = 26,712 × 26,712
  4. Step 4: Simplify right side
    18,206x = 713,530,944
  5. Step 5: Solve for x
    x = 713,530,944/18,206
  6. Step 6: Final answer
    x = 39,192.08

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.