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Finding the Third Proportional to 28,178 and 41,451

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Solution

The third proportional to 28,178 and 41,451 is: 60,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,178 : 41,451 = 41,451 : x
  2. Step 2: Convert to fraction form
    28,178/41,451 = 41,451/x
  3. Step 3: Cross multiply
    28,178x = 41,451 × 41,451
  4. Step 4: Simplify right side
    28,178x = 1,718,185,401
  5. Step 5: Solve for x
    x = 1,718,185,401/28,178
  6. Step 6: Final answer
    x = 60,976.13

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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.