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Finding the Third Proportional to 203,432 and 443,028

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Solution

The third proportional to 203,432 and 443,028 is: 964,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,432 : 443,028 = 443,028 : x
  2. Step 2: Convert to fraction form
    203,432/443,028 = 443,028/x
  3. Step 3: Cross multiply
    203,432x = 443,028 × 443,028
  4. Step 4: Simplify right side
    203,432x = 196,273,808,784
  5. Step 5: Solve for x
    x = 196,273,808,784/203,432
  6. Step 6: Final answer
    x = 964,812.86

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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.