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Finding the Third Proportional to 20,187.04 and 30,383.07

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Solution

The third proportional to 20,187.04 and 30,383.07 is: 45,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.04 : 30,383.07 = 30,383.07 : x
  2. Step 2: Convert to fraction form
    20,187.04/30,383.07 = 30,383.07/x
  3. Step 3: Cross multiply
    20,187.04x = 30,383.07 × 30,383.07
  4. Step 4: Simplify right side
    20,187.04x = 923,130,842.93
  5. Step 5: Solve for x
    x = 923,130,842.93/20,187.04
  6. Step 6: Final answer
    x = 45,728.90

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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.