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Finding the Third Proportional to 118,489.50 and 259,939.13

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Solution

The third proportional to 118,489.50 and 259,939.13 is: 570,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,489.50 : 259,939.13 = 259,939.13 : x
  2. Step 2: Convert to fraction form
    118,489.50/259,939.13 = 259,939.13/x
  3. Step 3: Cross multiply
    118,489.50x = 259,939.13 × 259,939.13
  4. Step 4: Simplify right side
    118,489.50x = 67,568,348,705.77
  5. Step 5: Solve for x
    x = 67,568,348,705.77/118,489.50
  6. Step 6: Final answer
    x = 570,247.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.