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Finding the Third Proportional to 6,809.50 and 10,255

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Solution

The third proportional to 6,809.50 and 10,255 is: 15,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.50 : 10,255 = 10,255 : x
  2. Step 2: Convert to fraction form
    6,809.50/10,255 = 10,255/x
  3. Step 3: Cross multiply
    6,809.50x = 10,255 × 10,255
  4. Step 4: Simplify right side
    6,809.50x = 105,165,025
  5. Step 5: Solve for x
    x = 105,165,025/6,809.50
  6. Step 6: Final answer
    x = 15,443.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.