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Finding the Third Proportional to 324,187.50 and 520,879.50

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Solution

The third proportional to 324,187.50 and 520,879.50 is: 836,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,187.50 : 520,879.50 = 520,879.50 : x
  2. Step 2: Convert to fraction form
    324,187.50/520,879.50 = 520,879.50/x
  3. Step 3: Cross multiply
    324,187.50x = 520,879.50 × 520,879.50
  4. Step 4: Simplify right side
    324,187.50x = 271,315,453,520.25
  5. Step 5: Solve for x
    x = 271,315,453,520.25/324,187.50
  6. Step 6: Final answer
    x = 836,909.05

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.