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Finding the Third Proportional to 20,524 and 30,786

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Solution

The third proportional to 20,524 and 30,786 is: 46,179

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524 : 30,786 = 30,786 : x
  2. Step 2: Convert to fraction form
    20,524/30,786 = 30,786/x
  3. Step 3: Cross multiply
    20,524x = 30,786 × 30,786
  4. Step 4: Simplify right side
    20,524x = 947,777,796
  5. Step 5: Solve for x
    x = 947,777,796/20,524
  6. Step 6: Final answer
    x = 46,179

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.