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Finding the Third Proportional to 942 and 1,608.75

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Solution

The third proportional to 942 and 1,608.75 is: 2,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    942 : 1,608.75 = 1,608.75 : x
  2. Step 2: Convert to fraction form
    942/1,608.75 = 1,608.75/x
  3. Step 3: Cross multiply
    942x = 1,608.75 × 1,608.75
  4. Step 4: Simplify right side
    942x = 2,588,076.56
  5. Step 5: Solve for x
    x = 2,588,076.56/942
  6. Step 6: Final answer
    x = 2,747.43

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.