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Finding the Third Proportional to 87,110 and 190,819

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Solution

The third proportional to 87,110 and 190,819 is: 417,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,110 : 190,819 = 190,819 : x
  2. Step 2: Convert to fraction form
    87,110/190,819 = 190,819/x
  3. Step 3: Cross multiply
    87,110x = 190,819 × 190,819
  4. Step 4: Simplify right side
    87,110x = 36,411,890,761
  5. Step 5: Solve for x
    x = 36,411,890,761/87,110
  6. Step 6: Final answer
    x = 417,998.98

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.