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Finding the Third Proportional to 843,663.75 and 1,856,165.25

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Solution

The third proportional to 843,663.75 and 1,856,165.25 is: 4,083,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,663.75 : 1,856,165.25 = 1,856,165.25 : x
  2. Step 2: Convert to fraction form
    843,663.75/1,856,165.25 = 1,856,165.25/x
  3. Step 3: Cross multiply
    843,663.75x = 1,856,165.25 × 1,856,165.25
  4. Step 4: Simplify right side
    843,663.75x = 3,445,349,435,307.56
  5. Step 5: Solve for x
    x = 3,445,349,435,307.56/843,663.75
  6. Step 6: Final answer
    x = 4,083,794.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.