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Finding the Third Proportional to 753,877.50 and 1,640,721

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Solution

The third proportional to 753,877.50 and 1,640,721 is: 3,570,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,877.50 : 1,640,721 = 1,640,721 : x
  2. Step 2: Convert to fraction form
    753,877.50/1,640,721 = 1,640,721/x
  3. Step 3: Cross multiply
    753,877.50x = 1,640,721 × 1,640,721
  4. Step 4: Simplify right side
    753,877.50x = 2,691,965,399,841
  5. Step 5: Solve for x
    x = 2,691,965,399,841/753,877.50
  6. Step 6: Final answer
    x = 3,570,826.03

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Why These Related Problems?

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