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Finding the Third Proportional to 308,301.13 and 672,626.38

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Solution

The third proportional to 308,301.13 and 672,626.38 is: 1,467,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,301.13 : 672,626.38 = 672,626.38 : x
  2. Step 2: Convert to fraction form
    308,301.13/672,626.38 = 672,626.38/x
  3. Step 3: Cross multiply
    308,301.13x = 672,626.38 × 672,626.38
  4. Step 4: Simplify right side
    308,301.13x = 452,426,240,345.64
  5. Step 5: Solve for x
    x = 452,426,240,345.64/308,301.13
  6. Step 6: Final answer
    x = 1,467,481.64

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.