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Finding the Third Proportional to 18,246 and 26,719

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Solution

The third proportional to 18,246 and 26,719 is: 39,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246 : 26,719 = 26,719 : x
  2. Step 2: Convert to fraction form
    18,246/26,719 = 26,719/x
  3. Step 3: Cross multiply
    18,246x = 26,719 × 26,719
  4. Step 4: Simplify right side
    18,246x = 713,904,961
  5. Step 5: Solve for x
    x = 713,904,961/18,246
  6. Step 6: Final answer
    x = 39,126.66

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.