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Finding the Third Proportional to 919,578 and 1,366,245

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Solution

The third proportional to 919,578 and 1,366,245 is: 2,029,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,578 : 1,366,245 = 1,366,245 : x
  2. Step 2: Convert to fraction form
    919,578/1,366,245 = 1,366,245/x
  3. Step 3: Cross multiply
    919,578x = 1,366,245 × 1,366,245
  4. Step 4: Simplify right side
    919,578x = 1,866,625,400,025
  5. Step 5: Solve for x
    x = 1,866,625,400,025/919,578
  6. Step 6: Final answer
    x = 2,029,871.75

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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.