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Finding the Third Proportional to 133,263 and 211,838

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Solution

The third proportional to 133,263 and 211,838 is: 336,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,263 : 211,838 = 211,838 : x
  2. Step 2: Convert to fraction form
    133,263/211,838 = 211,838/x
  3. Step 3: Cross multiply
    133,263x = 211,838 × 211,838
  4. Step 4: Simplify right side
    133,263x = 44,875,338,244
  5. Step 5: Solve for x
    x = 44,875,338,244/133,263
  6. Step 6: Final answer
    x = 336,742.67

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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.