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Finding the Third Proportional to 133,082.50 and 211,645

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Solution

The third proportional to 133,082.50 and 211,645 is: 336,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,082.50 : 211,645 = 211,645 : x
  2. Step 2: Convert to fraction form
    133,082.50/211,645 = 211,645/x
  3. Step 3: Cross multiply
    133,082.50x = 211,645 × 211,645
  4. Step 4: Simplify right side
    133,082.50x = 44,793,606,025
  5. Step 5: Solve for x
    x = 44,793,606,025/133,082.50
  6. Step 6: Final answer
    x = 336,585.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.