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Finding the Third Proportional to 15,298 and 16,738

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Solution

The third proportional to 15,298 and 16,738 is: 18,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298 : 16,738 = 16,738 : x
  2. Step 2: Convert to fraction form
    15,298/16,738 = 16,738/x
  3. Step 3: Cross multiply
    15,298x = 16,738 × 16,738
  4. Step 4: Simplify right side
    15,298x = 280,160,644
  5. Step 5: Solve for x
    x = 280,160,644/15,298
  6. Step 6: Final answer
    x = 18,313.55

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.