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Finding the Third Proportional to 20,008 and 26,718

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Solution

The third proportional to 20,008 and 26,718 is: 35,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008 : 26,718 = 26,718 : x
  2. Step 2: Convert to fraction form
    20,008/26,718 = 26,718/x
  3. Step 3: Cross multiply
    20,008x = 26,718 × 26,718
  4. Step 4: Simplify right side
    20,008x = 713,851,524
  5. Step 5: Solve for x
    x = 713,851,524/20,008
  6. Step 6: Final answer
    x = 35,678.30

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.