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Finding the Third Proportional to 349,515 and 756,155

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Solution

The third proportional to 349,515 and 756,155 is: 1,635,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,515 : 756,155 = 756,155 : x
  2. Step 2: Convert to fraction form
    349,515/756,155 = 756,155/x
  3. Step 3: Cross multiply
    349,515x = 756,155 × 756,155
  4. Step 4: Simplify right side
    349,515x = 571,770,384,025
  5. Step 5: Solve for x
    x = 571,770,384,025/349,515
  6. Step 6: Final answer
    x = 1,635,896.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.