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Finding the Third Proportional to 374.25 and 581.75

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Solution

The third proportional to 374.25 and 581.75 is: 904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.25 : 581.75 = 581.75 : x
  2. Step 2: Convert to fraction form
    374.25/581.75 = 581.75/x
  3. Step 3: Cross multiply
    374.25x = 581.75 × 581.75
  4. Step 4: Simplify right side
    374.25x = 338,433.06
  5. Step 5: Solve for x
    x = 338,433.06/374.25
  6. Step 6: Final answer
    x = 904.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.