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Finding the Third Proportional to 161,356 and 349,929

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Solution

The third proportional to 161,356 and 349,929 is: 758,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,356 : 349,929 = 349,929 : x
  2. Step 2: Convert to fraction form
    161,356/349,929 = 349,929/x
  3. Step 3: Cross multiply
    161,356x = 349,929 × 349,929
  4. Step 4: Simplify right side
    161,356x = 122,450,305,041
  5. Step 5: Solve for x
    x = 122,450,305,041/161,356
  6. Step 6: Final answer
    x = 758,882.87

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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.