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Finding the Third Proportional to 81,449 and 175,210

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Solution

The third proportional to 81,449 and 175,210 is: 376,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,449 : 175,210 = 175,210 : x
  2. Step 2: Convert to fraction form
    81,449/175,210 = 175,210/x
  3. Step 3: Cross multiply
    81,449x = 175,210 × 175,210
  4. Step 4: Simplify right side
    81,449x = 30,698,544,100
  5. Step 5: Solve for x
    x = 30,698,544,100/81,449
  6. Step 6: Final answer
    x = 376,905.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.