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Finding the Third Proportional to 905,307.75 and 1,966,311

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Solution

The third proportional to 905,307.75 and 1,966,311 is: 4,270,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,307.75 : 1,966,311 = 1,966,311 : x
  2. Step 2: Convert to fraction form
    905,307.75/1,966,311 = 1,966,311/x
  3. Step 3: Cross multiply
    905,307.75x = 1,966,311 × 1,966,311
  4. Step 4: Simplify right side
    905,307.75x = 3,866,378,948,721
  5. Step 5: Solve for x
    x = 3,866,378,948,721/905,307.75
  6. Step 6: Final answer
    x = 4,270,789.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.