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Finding the Third Proportional to 26,388 and 38,718

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Solution

The third proportional to 26,388 and 38,718 is: 56,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388 : 38,718 = 38,718 : x
  2. Step 2: Convert to fraction form
    26,388/38,718 = 38,718/x
  3. Step 3: Cross multiply
    26,388x = 38,718 × 38,718
  4. Step 4: Simplify right side
    26,388x = 1,499,083,524
  5. Step 5: Solve for x
    x = 1,499,083,524/26,388
  6. Step 6: Final answer
    x = 56,809.29

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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.