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Finding the Third Proportional to 18,388 and 27,445

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Solution

The third proportional to 18,388 and 27,445 is: 40,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388 : 27,445 = 27,445 : x
  2. Step 2: Convert to fraction form
    18,388/27,445 = 27,445/x
  3. Step 3: Cross multiply
    18,388x = 27,445 × 27,445
  4. Step 4: Simplify right side
    18,388x = 753,228,025
  5. Step 5: Solve for x
    x = 753,228,025/18,388
  6. Step 6: Final answer
    x = 40,963.02

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