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Finding the Third Proportional to 341.25 and 579.75

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Solution

The third proportional to 341.25 and 579.75 is: 984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.25 : 579.75 = 579.75 : x
  2. Step 2: Convert to fraction form
    341.25/579.75 = 579.75/x
  3. Step 3: Cross multiply
    341.25x = 579.75 × 579.75
  4. Step 4: Simplify right side
    341.25x = 336,110.06
  5. Step 5: Solve for x
    x = 336,110.06/341.25
  6. Step 6: Final answer
    x = 984.94

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.