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Finding the Third Proportional to 181,597.50 and 421,998.75

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Solution

The third proportional to 181,597.50 and 421,998.75 is: 980,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,597.50 : 421,998.75 = 421,998.75 : x
  2. Step 2: Convert to fraction form
    181,597.50/421,998.75 = 421,998.75/x
  3. Step 3: Cross multiply
    181,597.50x = 421,998.75 × 421,998.75
  4. Step 4: Simplify right side
    181,597.50x = 178,082,945,001.56
  5. Step 5: Solve for x
    x = 178,082,945,001.56/181,597.50
  6. Step 6: Final answer
    x = 980,646.46

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.