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Finding the Third Proportional to 87,010 and 190,828

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Solution

The third proportional to 87,010 and 190,828 is: 418,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,010 : 190,828 = 190,828 : x
  2. Step 2: Convert to fraction form
    87,010/190,828 = 190,828/x
  3. Step 3: Cross multiply
    87,010x = 190,828 × 190,828
  4. Step 4: Simplify right side
    87,010x = 36,415,325,584
  5. Step 5: Solve for x
    x = 36,415,325,584/87,010
  6. Step 6: Final answer
    x = 418,518.86

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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.