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Finding the Third Proportional to 203,758 and 442,507

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Solution

The third proportional to 203,758 and 442,507 is: 961,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,758 : 442,507 = 442,507 : x
  2. Step 2: Convert to fraction form
    203,758/442,507 = 442,507/x
  3. Step 3: Cross multiply
    203,758x = 442,507 × 442,507
  4. Step 4: Simplify right side
    203,758x = 195,812,445,049
  5. Step 5: Solve for x
    x = 195,812,445,049/203,758
  6. Step 6: Final answer
    x = 961,004.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.