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Finding the Third Proportional to 138,542 and 303,004

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Solution

The third proportional to 138,542 and 303,004 is: 662,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,542 : 303,004 = 303,004 : x
  2. Step 2: Convert to fraction form
    138,542/303,004 = 303,004/x
  3. Step 3: Cross multiply
    138,542x = 303,004 × 303,004
  4. Step 4: Simplify right side
    138,542x = 91,811,424,016
  5. Step 5: Solve for x
    x = 91,811,424,016/138,542
  6. Step 6: Final answer
    x = 662,697.41

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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.