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Finding the Third Proportional to 258,952 and 349,866

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Solution

The third proportional to 258,952 and 349,866 is: 472,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,952 : 349,866 = 349,866 : x
  2. Step 2: Convert to fraction form
    258,952/349,866 = 349,866/x
  3. Step 3: Cross multiply
    258,952x = 349,866 × 349,866
  4. Step 4: Simplify right side
    258,952x = 122,406,217,956
  5. Step 5: Solve for x
    x = 122,406,217,956/258,952
  6. Step 6: Final answer
    x = 472,698.48

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.