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Finding the Third Proportional to 138,244 and 303,272

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Solution

The third proportional to 138,244 and 303,272 is: 665,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,244 : 303,272 = 303,272 : x
  2. Step 2: Convert to fraction form
    138,244/303,272 = 303,272/x
  3. Step 3: Cross multiply
    138,244x = 303,272 × 303,272
  4. Step 4: Simplify right side
    138,244x = 91,973,905,984
  5. Step 5: Solve for x
    x = 91,973,905,984/138,244
  6. Step 6: Final answer
    x = 665,301.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.