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Finding the Third Proportional to 1,708.75 and 3,736.75

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Solution

The third proportional to 1,708.75 and 3,736.75 is: 8,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.75 : 3,736.75 = 3,736.75 : x
  2. Step 2: Convert to fraction form
    1,708.75/3,736.75 = 3,736.75/x
  3. Step 3: Cross multiply
    1,708.75x = 3,736.75 × 3,736.75
  4. Step 4: Simplify right side
    1,708.75x = 13,963,300.56
  5. Step 5: Solve for x
    x = 13,963,300.56/1,708.75
  6. Step 6: Final answer
    x = 8,171.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.