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Finding the Third Proportional to 279.25 and 594.50

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Solution

The third proportional to 279.25 and 594.50 is: 1,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    279.25 : 594.50 = 594.50 : x
  2. Step 2: Convert to fraction form
    279.25/594.50 = 594.50/x
  3. Step 3: Cross multiply
    279.25x = 594.50 × 594.50
  4. Step 4: Simplify right side
    279.25x = 353,430.25
  5. Step 5: Solve for x
    x = 353,430.25/279.25
  6. Step 6: Final answer
    x = 1,265.64

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.