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Finding the Third Proportional to 621,656 and 944,634

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Solution

The third proportional to 621,656 and 944,634 is: 1,435,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,656 : 944,634 = 944,634 : x
  2. Step 2: Convert to fraction form
    621,656/944,634 = 944,634/x
  3. Step 3: Cross multiply
    621,656x = 944,634 × 944,634
  4. Step 4: Simplify right side
    621,656x = 892,333,393,956
  5. Step 5: Solve for x
    x = 892,333,393,956/621,656
  6. Step 6: Final answer
    x = 1,435,413.47

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.