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Finding the Third Proportional to 28,296 and 58,387

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Solution

The third proportional to 28,296 and 58,387 is: 120,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296 : 58,387 = 58,387 : x
  2. Step 2: Convert to fraction form
    28,296/58,387 = 58,387/x
  3. Step 3: Cross multiply
    28,296x = 58,387 × 58,387
  4. Step 4: Simplify right side
    28,296x = 3,409,041,769
  5. Step 5: Solve for x
    x = 3,409,041,769/28,296
  6. Step 6: Final answer
    x = 120,477.87

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.