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Finding the Third Proportional to 141,879.38 and 296,899.88

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Solution

The third proportional to 141,879.38 and 296,899.88 is: 621,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,879.38 : 296,899.88 = 296,899.88 : x
  2. Step 2: Convert to fraction form
    141,879.38/296,899.88 = 296,899.88/x
  3. Step 3: Cross multiply
    141,879.38x = 296,899.88 × 296,899.88
  4. Step 4: Simplify right side
    141,879.38x = 88,149,535,775.02
  5. Step 5: Solve for x
    x = 88,149,535,775.02/141,879.38
  6. Step 6: Final answer
    x = 621,299.15

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.