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Finding the Third Proportional to 18,364 and 40,548

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Solution

The third proportional to 18,364 and 40,548 is: 89,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364 : 40,548 = 40,548 : x
  2. Step 2: Convert to fraction form
    18,364/40,548 = 40,548/x
  3. Step 3: Cross multiply
    18,364x = 40,548 × 40,548
  4. Step 4: Simplify right side
    18,364x = 1,644,140,304
  5. Step 5: Solve for x
    x = 1,644,140,304/18,364
  6. Step 6: Final answer
    x = 89,530.62

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.