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Finding the Third Proportional to 851,361 and 1,269,660

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Solution

The third proportional to 851,361 and 1,269,660 is: 1,893,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,361 : 1,269,660 = 1,269,660 : x
  2. Step 2: Convert to fraction form
    851,361/1,269,660 = 1,269,660/x
  3. Step 3: Cross multiply
    851,361x = 1,269,660 × 1,269,660
  4. Step 4: Simplify right side
    851,361x = 1,612,036,515,600
  5. Step 5: Solve for x
    x = 1,612,036,515,600/851,361
  6. Step 6: Final answer
    x = 1,893,481.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.