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Finding the Third Proportional to 374 and 540.75

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Solution

The third proportional to 374 and 540.75 is: 781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374 : 540.75 = 540.75 : x
  2. Step 2: Convert to fraction form
    374/540.75 = 540.75/x
  3. Step 3: Cross multiply
    374x = 540.75 × 540.75
  4. Step 4: Simplify right side
    374x = 292,410.56
  5. Step 5: Solve for x
    x = 292,410.56/374
  6. Step 6: Final answer
    x = 781.85

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.