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Finding the Third Proportional to 121,604 and 194,265

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Solution

The third proportional to 121,604 and 194,265 is: 310,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,604 : 194,265 = 194,265 : x
  2. Step 2: Convert to fraction form
    121,604/194,265 = 194,265/x
  3. Step 3: Cross multiply
    121,604x = 194,265 × 194,265
  4. Step 4: Simplify right side
    121,604x = 37,738,890,225
  5. Step 5: Solve for x
    x = 37,738,890,225/121,604
  6. Step 6: Final answer
    x = 310,342.51

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.