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Finding the Third Proportional to 279,370.50 and 621,975

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Solution

The third proportional to 279,370.50 and 621,975 is: 1,384,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,370.50 : 621,975 = 621,975 : x
  2. Step 2: Convert to fraction form
    279,370.50/621,975 = 621,975/x
  3. Step 3: Cross multiply
    279,370.50x = 621,975 × 621,975
  4. Step 4: Simplify right side
    279,370.50x = 386,852,900,625
  5. Step 5: Solve for x
    x = 386,852,900,625/279,370.50
  6. Step 6: Final answer
    x = 1,384,730.67

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.