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Finding the Third Proportional to 443,890 and 970,823

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Solution

The third proportional to 443,890 and 970,823 is: 2,123,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,890 : 970,823 = 970,823 : x
  2. Step 2: Convert to fraction form
    443,890/970,823 = 970,823/x
  3. Step 3: Cross multiply
    443,890x = 970,823 × 970,823
  4. Step 4: Simplify right side
    443,890x = 942,497,297,329
  5. Step 5: Solve for x
    x = 942,497,297,329/443,890
  6. Step 6: Final answer
    x = 2,123,267.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.