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Finding the Third Proportional to 266 and 652.50

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Solution

The third proportional to 266 and 652.50 is: 1,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266 : 652.50 = 652.50 : x
  2. Step 2: Convert to fraction form
    266/652.50 = 652.50/x
  3. Step 3: Cross multiply
    266x = 652.50 × 652.50
  4. Step 4: Simplify right side
    266x = 425,756.25
  5. Step 5: Solve for x
    x = 425,756.25/266
  6. Step 6: Final answer
    x = 1,600.59

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.