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Finding the Third Proportional to 36,310 and 80,396

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Solution

The third proportional to 36,310 and 80,396 is: 178,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310 : 80,396 = 80,396 : x
  2. Step 2: Convert to fraction form
    36,310/80,396 = 80,396/x
  3. Step 3: Cross multiply
    36,310x = 80,396 × 80,396
  4. Step 4: Simplify right side
    36,310x = 6,463,516,816
  5. Step 5: Solve for x
    x = 6,463,516,816/36,310
  6. Step 6: Final answer
    x = 178,009.28

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.