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Finding the Third Proportional to 621,660 and 944,641

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Solution

The third proportional to 621,660 and 944,641 is: 1,435,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,660 : 944,641 = 944,641 : x
  2. Step 2: Convert to fraction form
    621,660/944,641 = 944,641/x
  3. Step 3: Cross multiply
    621,660x = 944,641 × 944,641
  4. Step 4: Simplify right side
    621,660x = 892,346,618,881
  5. Step 5: Solve for x
    x = 892,346,618,881/621,660
  6. Step 6: Final answer
    x = 1,435,425.50

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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.