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Finding the Third Proportional to 139,486.50 and 301,110.75

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Solution

The third proportional to 139,486.50 and 301,110.75 is: 650,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,486.50 : 301,110.75 = 301,110.75 : x
  2. Step 2: Convert to fraction form
    139,486.50/301,110.75 = 301,110.75/x
  3. Step 3: Cross multiply
    139,486.50x = 301,110.75 × 301,110.75
  4. Step 4: Simplify right side
    139,486.50x = 90,667,683,765.56
  5. Step 5: Solve for x
    x = 90,667,683,765.56/139,486.50
  6. Step 6: Final answer
    x = 650,010.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.