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Finding the Third Proportional to 133,648 and 288,189

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Solution

The third proportional to 133,648 and 288,189 is: 621,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,648 : 288,189 = 288,189 : x
  2. Step 2: Convert to fraction form
    133,648/288,189 = 288,189/x
  3. Step 3: Cross multiply
    133,648x = 288,189 × 288,189
  4. Step 4: Simplify right side
    133,648x = 83,052,899,721
  5. Step 5: Solve for x
    x = 83,052,899,721/133,648
  6. Step 6: Final answer
    x = 621,430.17

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.