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Finding the Third Proportional to 270,958.50 and 558,316.50

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Solution

The third proportional to 270,958.50 and 558,316.50 is: 1,150,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,958.50 : 558,316.50 = 558,316.50 : x
  2. Step 2: Convert to fraction form
    270,958.50/558,316.50 = 558,316.50/x
  3. Step 3: Cross multiply
    270,958.50x = 558,316.50 × 558,316.50
  4. Step 4: Simplify right side
    270,958.50x = 311,717,314,172.25
  5. Step 5: Solve for x
    x = 311,717,314,172.25/270,958.50
  6. Step 6: Final answer
    x = 1,150,424.56

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.