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Finding the Third Proportional to 1,707.75 and 3,753

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Solution

The third proportional to 1,707.75 and 3,753 is: 8,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.75 : 3,753 = 3,753 : x
  2. Step 2: Convert to fraction form
    1,707.75/3,753 = 3,753/x
  3. Step 3: Cross multiply
    1,707.75x = 3,753 × 3,753
  4. Step 4: Simplify right side
    1,707.75x = 14,085,009
  5. Step 5: Solve for x
    x = 14,085,009/1,707.75
  6. Step 6: Final answer
    x = 8,247.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.