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Finding the Third Proportional to 417.75 and 593.50

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Solution

The third proportional to 417.75 and 593.50 is: 843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.75 : 593.50 = 593.50 : x
  2. Step 2: Convert to fraction form
    417.75/593.50 = 593.50/x
  3. Step 3: Cross multiply
    417.75x = 593.50 × 593.50
  4. Step 4: Simplify right side
    417.75x = 352,242.25
  5. Step 5: Solve for x
    x = 352,242.25/417.75
  6. Step 6: Final answer
    x = 843.19

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.