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Finding the Third Proportional to 138,327.75 and 300,165.75

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Solution

The third proportional to 138,327.75 and 300,165.75 is: 651,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,327.75 : 300,165.75 = 300,165.75 : x
  2. Step 2: Convert to fraction form
    138,327.75/300,165.75 = 300,165.75/x
  3. Step 3: Cross multiply
    138,327.75x = 300,165.75 × 300,165.75
  4. Step 4: Simplify right side
    138,327.75x = 90,099,477,473.06
  5. Step 5: Solve for x
    x = 90,099,477,473.06/138,327.75
  6. Step 6: Final answer
    x = 651,347.81

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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.