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Finding the Third Proportional to 121,179 and 201,261

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Solution

The third proportional to 121,179 and 201,261 is: 334,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,179 : 201,261 = 201,261 : x
  2. Step 2: Convert to fraction form
    121,179/201,261 = 201,261/x
  3. Step 3: Cross multiply
    121,179x = 201,261 × 201,261
  4. Step 4: Simplify right side
    121,179x = 40,505,990,121
  5. Step 5: Solve for x
    x = 40,505,990,121/121,179
  6. Step 6: Final answer
    x = 334,265.76

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.