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Finding the Third Proportional to 268 and 588.50

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Solution

The third proportional to 268 and 588.50 is: 1,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268 : 588.50 = 588.50 : x
  2. Step 2: Convert to fraction form
    268/588.50 = 588.50/x
  3. Step 3: Cross multiply
    268x = 588.50 × 588.50
  4. Step 4: Simplify right side
    268x = 346,332.25
  5. Step 5: Solve for x
    x = 346,332.25/268
  6. Step 6: Final answer
    x = 1,292.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.