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Finding the Third Proportional to 1,927.50 and 3,759

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Solution

The third proportional to 1,927.50 and 3,759 is: 7,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.50 : 3,759 = 3,759 : x
  2. Step 2: Convert to fraction form
    1,927.50/3,759 = 3,759/x
  3. Step 3: Cross multiply
    1,927.50x = 3,759 × 3,759
  4. Step 4: Simplify right side
    1,927.50x = 14,130,081
  5. Step 5: Solve for x
    x = 14,130,081/1,927.50
  6. Step 6: Final answer
    x = 7,330.78

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.