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Finding the Third Proportional to 14,206 and 21,228

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Solution

The third proportional to 14,206 and 21,228 is: 31,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206 : 21,228 = 21,228 : x
  2. Step 2: Convert to fraction form
    14,206/21,228 = 21,228/x
  3. Step 3: Cross multiply
    14,206x = 21,228 × 21,228
  4. Step 4: Simplify right side
    14,206x = 450,627,984
  5. Step 5: Solve for x
    x = 450,627,984/14,206
  6. Step 6: Final answer
    x = 31,720.96

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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.