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Finding the Third Proportional to 225,867 and 330,309

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Solution

The third proportional to 225,867 and 330,309 is: 483,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,867 : 330,309 = 330,309 : x
  2. Step 2: Convert to fraction form
    225,867/330,309 = 330,309/x
  3. Step 3: Cross multiply
    225,867x = 330,309 × 330,309
  4. Step 4: Simplify right side
    225,867x = 109,104,035,481
  5. Step 5: Solve for x
    x = 109,104,035,481/225,867
  6. Step 6: Final answer
    x = 483,045.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.