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Finding the Third Proportional to 340,629.75 and 739,215

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Solution

The third proportional to 340,629.75 and 739,215 is: 1,604,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,629.75 : 739,215 = 739,215 : x
  2. Step 2: Convert to fraction form
    340,629.75/739,215 = 739,215/x
  3. Step 3: Cross multiply
    340,629.75x = 739,215 × 739,215
  4. Step 4: Simplify right side
    340,629.75x = 546,438,816,225
  5. Step 5: Solve for x
    x = 546,438,816,225/340,629.75
  6. Step 6: Final answer
    x = 1,604,201.68

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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.