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Finding the Third Proportional to 181,530 and 282,240

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Solution

The third proportional to 181,530 and 282,240 is: 438,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,530 : 282,240 = 282,240 : x
  2. Step 2: Convert to fraction form
    181,530/282,240 = 282,240/x
  3. Step 3: Cross multiply
    181,530x = 282,240 × 282,240
  4. Step 4: Simplify right side
    181,530x = 79,659,417,600
  5. Step 5: Solve for x
    x = 79,659,417,600/181,530
  6. Step 6: Final answer
    x = 438,822.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.