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Finding the Third Proportional to 15,552 and 36,189

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Solution

The third proportional to 15,552 and 36,189 is: 84,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552 : 36,189 = 36,189 : x
  2. Step 2: Convert to fraction form
    15,552/36,189 = 36,189/x
  3. Step 3: Cross multiply
    15,552x = 36,189 × 36,189
  4. Step 4: Simplify right side
    15,552x = 1,309,643,721
  5. Step 5: Solve for x
    x = 1,309,643,721/15,552
  6. Step 6: Final answer
    x = 84,210.63

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.