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Finding the Third Proportional to 661,441.78 and 1,448,997.19

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Solution

The third proportional to 661,441.78 and 1,448,997.19 is: 3,174,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,441.78 : 1,448,997.19 = 1,448,997.19 : x
  2. Step 2: Convert to fraction form
    661,441.78/1,448,997.19 = 1,448,997.19/x
  3. Step 3: Cross multiply
    661,441.78x = 1,448,997.19 × 1,448,997.19
  4. Step 4: Simplify right side
    661,441.78x = 2,099,592,849,382.91
  5. Step 5: Solve for x
    x = 2,099,592,849,382.91/661,441.78
  6. Step 6: Final answer
    x = 3,174,267.05

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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.