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Finding the Third Proportional to 14,274 and 20,288.25

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Solution

The third proportional to 14,274 and 20,288.25 is: 28,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274 : 20,288.25 = 20,288.25 : x
  2. Step 2: Convert to fraction form
    14,274/20,288.25 = 20,288.25/x
  3. Step 3: Cross multiply
    14,274x = 20,288.25 × 20,288.25
  4. Step 4: Simplify right side
    14,274x = 411,613,088.06
  5. Step 5: Solve for x
    x = 411,613,088.06/14,274
  6. Step 6: Final answer
    x = 28,836.56

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.