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Finding the Third Proportional to 36,388 and 54,357

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Solution

The third proportional to 36,388 and 54,357 is: 81,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388 : 54,357 = 54,357 : x
  2. Step 2: Convert to fraction form
    36,388/54,357 = 54,357/x
  3. Step 3: Cross multiply
    36,388x = 54,357 × 54,357
  4. Step 4: Simplify right side
    36,388x = 2,954,683,449
  5. Step 5: Solve for x
    x = 2,954,683,449/36,388
  6. Step 6: Final answer
    x = 81,199.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.