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Finding the Third Proportional to 8,582 and 19,865

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Solution

The third proportional to 8,582 and 19,865 is: 45,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582 : 19,865 = 19,865 : x
  2. Step 2: Convert to fraction form
    8,582/19,865 = 19,865/x
  3. Step 3: Cross multiply
    8,582x = 19,865 × 19,865
  4. Step 4: Simplify right side
    8,582x = 394,618,225
  5. Step 5: Solve for x
    x = 394,618,225/8,582
  6. Step 6: Final answer
    x = 45,982.08

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.