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Finding the Third Proportional to 5,110 and 10,358

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Solution

The third proportional to 5,110 and 10,358 is: 20,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110 : 10,358 = 10,358 : x
  2. Step 2: Convert to fraction form
    5,110/10,358 = 10,358/x
  3. Step 3: Cross multiply
    5,110x = 10,358 × 10,358
  4. Step 4: Simplify right side
    5,110x = 107,288,164
  5. Step 5: Solve for x
    x = 107,288,164/5,110
  6. Step 6: Final answer
    x = 20,995.73

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.