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Finding the Third Proportional to 771,680.25 and 1,661,883.75

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Solution

The third proportional to 771,680.25 and 1,661,883.75 is: 3,579,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,680.25 : 1,661,883.75 = 1,661,883.75 : x
  2. Step 2: Convert to fraction form
    771,680.25/1,661,883.75 = 1,661,883.75/x
  3. Step 3: Cross multiply
    771,680.25x = 1,661,883.75 × 1,661,883.75
  4. Step 4: Simplify right side
    771,680.25x = 2,761,857,598,514.06
  5. Step 5: Solve for x
    x = 2,761,857,598,514.06/771,680.25
  6. Step 6: Final answer
    x = 3,579,018.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.