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Finding the Third Proportional to 219,294 and 330,561

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Solution

The third proportional to 219,294 and 330,561 is: 498,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,294 : 330,561 = 330,561 : x
  2. Step 2: Convert to fraction form
    219,294/330,561 = 330,561/x
  3. Step 3: Cross multiply
    219,294x = 330,561 × 330,561
  4. Step 4: Simplify right side
    219,294x = 109,270,574,721
  5. Step 5: Solve for x
    x = 109,270,574,721/219,294
  6. Step 6: Final answer
    x = 498,283.47

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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.