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Finding the Third Proportional to 120,435 and 183,795

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Solution

The third proportional to 120,435 and 183,795 is: 280,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,435 : 183,795 = 183,795 : x
  2. Step 2: Convert to fraction form
    120,435/183,795 = 183,795/x
  3. Step 3: Cross multiply
    120,435x = 183,795 × 183,795
  4. Step 4: Simplify right side
    120,435x = 33,780,602,025
  5. Step 5: Solve for x
    x = 33,780,602,025/120,435
  6. Step 6: Final answer
    x = 280,488.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.