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Finding the Third Proportional to 855,472 and 1,324,464

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Solution

The third proportional to 855,472 and 1,324,464 is: 2,050,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,472 : 1,324,464 = 1,324,464 : x
  2. Step 2: Convert to fraction form
    855,472/1,324,464 = 1,324,464/x
  3. Step 3: Cross multiply
    855,472x = 1,324,464 × 1,324,464
  4. Step 4: Simplify right side
    855,472x = 1,754,204,887,296
  5. Step 5: Solve for x
    x = 1,754,204,887,296/855,472
  6. Step 6: Final answer
    x = 2,050,569.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.