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Finding the Third Proportional to 138,770 and 327,477

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Solution

The third proportional to 138,770 and 327,477 is: 772,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,770 : 327,477 = 327,477 : x
  2. Step 2: Convert to fraction form
    138,770/327,477 = 327,477/x
  3. Step 3: Cross multiply
    138,770x = 327,477 × 327,477
  4. Step 4: Simplify right side
    138,770x = 107,241,185,529
  5. Step 5: Solve for x
    x = 107,241,185,529/138,770
  6. Step 6: Final answer
    x = 772,798.05

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.