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Finding the Third Proportional to 121,940 and 183,235

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Solution

The third proportional to 121,940 and 183,235 is: 275,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,940 : 183,235 = 183,235 : x
  2. Step 2: Convert to fraction form
    121,940/183,235 = 183,235/x
  3. Step 3: Cross multiply
    121,940x = 183,235 × 183,235
  4. Step 4: Simplify right side
    121,940x = 33,575,065,225
  5. Step 5: Solve for x
    x = 33,575,065,225/121,940
  6. Step 6: Final answer
    x = 275,340.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.