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Finding the Third Proportional to 20,353 and 30,376

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Solution

The third proportional to 20,353 and 30,376 is: 45,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353 : 30,376 = 30,376 : x
  2. Step 2: Convert to fraction form
    20,353/30,376 = 30,376/x
  3. Step 3: Cross multiply
    20,353x = 30,376 × 30,376
  4. Step 4: Simplify right side
    20,353x = 922,701,376
  5. Step 5: Solve for x
    x = 922,701,376/20,353
  6. Step 6: Final answer
    x = 45,334.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.