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Finding the Third Proportional to 151,230 and 330,130

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Solution

The third proportional to 151,230 and 330,130 is: 720,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,230 : 330,130 = 330,130 : x
  2. Step 2: Convert to fraction form
    151,230/330,130 = 330,130/x
  3. Step 3: Cross multiply
    151,230x = 330,130 × 330,130
  4. Step 4: Simplify right side
    151,230x = 108,985,816,900
  5. Step 5: Solve for x
    x = 108,985,816,900/151,230
  6. Step 6: Final answer
    x = 720,662.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.