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Finding the Third Proportional to 721,564 and 1,568,718

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Solution

The third proportional to 721,564 and 1,568,718 is: 3,410,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,564 : 1,568,718 = 1,568,718 : x
  2. Step 2: Convert to fraction form
    721,564/1,568,718 = 1,568,718/x
  3. Step 3: Cross multiply
    721,564x = 1,568,718 × 1,568,718
  4. Step 4: Simplify right side
    721,564x = 2,460,876,163,524
  5. Step 5: Solve for x
    x = 2,460,876,163,524/721,564
  6. Step 6: Final answer
    x = 3,410,475.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.