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Finding the Third Proportional to 653.25 and 1,000.69

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Solution

The third proportional to 653.25 and 1,000.69 is: 1,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.25 : 1,000.69 = 1,000.69 : x
  2. Step 2: Convert to fraction form
    653.25/1,000.69 = 1,000.69/x
  3. Step 3: Cross multiply
    653.25x = 1,000.69 × 1,000.69
  4. Step 4: Simplify right side
    653.25x = 1,001,375.47
  5. Step 5: Solve for x
    x = 1,001,375.47/653.25
  6. Step 6: Final answer
    x = 1,532.91

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.