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Finding the Third Proportional to 787 and 1,532

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Solution

The third proportional to 787 and 1,532 is: 2,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    787 : 1,532 = 1,532 : x
  2. Step 2: Convert to fraction form
    787/1,532 = 1,532/x
  3. Step 3: Cross multiply
    787x = 1,532 × 1,532
  4. Step 4: Simplify right side
    787x = 2,347,024
  5. Step 5: Solve for x
    x = 2,347,024/787
  6. Step 6: Final answer
    x = 2,982.24

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.