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Finding the Third Proportional to 15,363 and 16,983

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Solution

The third proportional to 15,363 and 16,983 is: 18,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363 : 16,983 = 16,983 : x
  2. Step 2: Convert to fraction form
    15,363/16,983 = 16,983/x
  3. Step 3: Cross multiply
    15,363x = 16,983 × 16,983
  4. Step 4: Simplify right side
    15,363x = 288,422,289
  5. Step 5: Solve for x
    x = 288,422,289/15,363
  6. Step 6: Final answer
    x = 18,773.83

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.