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Finding the Third Proportional to 664,466 and 1,559,941

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Solution

The third proportional to 664,466 and 1,559,941 is: 3,662,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,466 : 1,559,941 = 1,559,941 : x
  2. Step 2: Convert to fraction form
    664,466/1,559,941 = 1,559,941/x
  3. Step 3: Cross multiply
    664,466x = 1,559,941 × 1,559,941
  4. Step 4: Simplify right side
    664,466x = 2,433,415,923,481
  5. Step 5: Solve for x
    x = 2,433,415,923,481/664,466
  6. Step 6: Final answer
    x = 3,662,212.85

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.