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Finding the Third Proportional to 20,007 and 27,426

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Solution

The third proportional to 20,007 and 27,426 is: 37,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007 : 27,426 = 27,426 : x
  2. Step 2: Convert to fraction form
    20,007/27,426 = 27,426/x
  3. Step 3: Cross multiply
    20,007x = 27,426 × 27,426
  4. Step 4: Simplify right side
    20,007x = 752,185,476
  5. Step 5: Solve for x
    x = 752,185,476/20,007
  6. Step 6: Final answer
    x = 37,596.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.