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Finding the Third Proportional to 18,644 and 26,079

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Solution

The third proportional to 18,644 and 26,079 is: 36,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644 : 26,079 = 26,079 : x
  2. Step 2: Convert to fraction form
    18,644/26,079 = 26,079/x
  3. Step 3: Cross multiply
    18,644x = 26,079 × 26,079
  4. Step 4: Simplify right side
    18,644x = 680,114,241
  5. Step 5: Solve for x
    x = 680,114,241/18,644
  6. Step 6: Final answer
    x = 36,478.99

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.