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Finding the Third Proportional to 204,516 and 419,224

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Solution

The third proportional to 204,516 and 419,224 is: 859,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,516 : 419,224 = 419,224 : x
  2. Step 2: Convert to fraction form
    204,516/419,224 = 419,224/x
  3. Step 3: Cross multiply
    204,516x = 419,224 × 419,224
  4. Step 4: Simplify right side
    204,516x = 175,748,762,176
  5. Step 5: Solve for x
    x = 175,748,762,176/204,516
  6. Step 6: Final answer
    x = 859,339.92

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.