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Finding the Third Proportional to 463,676 and 988,600

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Solution

The third proportional to 463,676 and 988,600 is: 2,107,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,676 : 988,600 = 988,600 : x
  2. Step 2: Convert to fraction form
    463,676/988,600 = 988,600/x
  3. Step 3: Cross multiply
    463,676x = 988,600 × 988,600
  4. Step 4: Simplify right side
    463,676x = 977,329,960,000
  5. Step 5: Solve for x
    x = 977,329,960,000/463,676
  6. Step 6: Final answer
    x = 2,107,786.39

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.