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Finding the Third Proportional to 30,649 and 48,797

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Solution

The third proportional to 30,649 and 48,797 is: 77,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,649 : 48,797 = 48,797 : x
  2. Step 2: Convert to fraction form
    30,649/48,797 = 48,797/x
  3. Step 3: Cross multiply
    30,649x = 48,797 × 48,797
  4. Step 4: Simplify right side
    30,649x = 2,381,147,209
  5. Step 5: Solve for x
    x = 2,381,147,209/30,649
  6. Step 6: Final answer
    x = 77,690.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.