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Finding the Third Proportional to 138,462 and 300,252

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Solution

The third proportional to 138,462 and 300,252 is: 651,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,462 : 300,252 = 300,252 : x
  2. Step 2: Convert to fraction form
    138,462/300,252 = 300,252/x
  3. Step 3: Cross multiply
    138,462x = 300,252 × 300,252
  4. Step 4: Simplify right side
    138,462x = 90,151,263,504
  5. Step 5: Solve for x
    x = 90,151,263,504/138,462
  6. Step 6: Final answer
    x = 651,090.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.