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Finding the Third Proportional to 20,254 and 30,651

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Solution

The third proportional to 20,254 and 30,651 is: 46,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254 : 30,651 = 30,651 : x
  2. Step 2: Convert to fraction form
    20,254/30,651 = 30,651/x
  3. Step 3: Cross multiply
    20,254x = 30,651 × 30,651
  4. Step 4: Simplify right side
    20,254x = 939,483,801
  5. Step 5: Solve for x
    x = 939,483,801/20,254
  6. Step 6: Final answer
    x = 46,385.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.