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Finding the Third Proportional to 197,266.50 and 279,128.25

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Solution

The third proportional to 197,266.50 and 279,128.25 is: 394,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,266.50 : 279,128.25 = 279,128.25 : x
  2. Step 2: Convert to fraction form
    197,266.50/279,128.25 = 279,128.25/x
  3. Step 3: Cross multiply
    197,266.50x = 279,128.25 × 279,128.25
  4. Step 4: Simplify right side
    197,266.50x = 77,912,579,948.06
  5. Step 5: Solve for x
    x = 77,912,579,948.06/197,266.50
  6. Step 6: Final answer
    x = 394,961.03

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.