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Finding the Third Proportional to 272.50 and 588.50

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Solution

The third proportional to 272.50 and 588.50 is: 1,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.50 : 588.50 = 588.50 : x
  2. Step 2: Convert to fraction form
    272.50/588.50 = 588.50/x
  3. Step 3: Cross multiply
    272.50x = 588.50 × 588.50
  4. Step 4: Simplify right side
    272.50x = 346,332.25
  5. Step 5: Solve for x
    x = 346,332.25/272.50
  6. Step 6: Final answer
    x = 1,270.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.