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Finding the Third Proportional to 86,902.88 and 190,410.75

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Solution

The third proportional to 86,902.88 and 190,410.75 is: 417,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,902.88 : 190,410.75 = 190,410.75 : x
  2. Step 2: Convert to fraction form
    86,902.88/190,410.75 = 190,410.75/x
  3. Step 3: Cross multiply
    86,902.88x = 190,410.75 × 190,410.75
  4. Step 4: Simplify right side
    86,902.88x = 36,256,253,715.56
  5. Step 5: Solve for x
    x = 36,256,253,715.56/86,902.88
  6. Step 6: Final answer
    x = 417,204.31

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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.