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Finding the Third Proportional to 175,335 and 378,699

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Solution

The third proportional to 175,335 and 378,699 is: 817,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,335 : 378,699 = 378,699 : x
  2. Step 2: Convert to fraction form
    175,335/378,699 = 378,699/x
  3. Step 3: Cross multiply
    175,335x = 378,699 × 378,699
  4. Step 4: Simplify right side
    175,335x = 143,412,932,601
  5. Step 5: Solve for x
    x = 143,412,932,601/175,335
  6. Step 6: Final answer
    x = 817,936.71

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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.