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Finding the Third Proportional to 18,116 and 19,524

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Solution

The third proportional to 18,116 and 19,524 is: 21,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116 : 19,524 = 19,524 : x
  2. Step 2: Convert to fraction form
    18,116/19,524 = 19,524/x
  3. Step 3: Cross multiply
    18,116x = 19,524 × 19,524
  4. Step 4: Simplify right side
    18,116x = 381,186,576
  5. Step 5: Solve for x
    x = 381,186,576/18,116
  6. Step 6: Final answer
    x = 21,041.43

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.