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Finding the Third Proportional to 630,992 and 1,368,446

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Solution

The third proportional to 630,992 and 1,368,446 is: 2,967,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,992 : 1,368,446 = 1,368,446 : x
  2. Step 2: Convert to fraction form
    630,992/1,368,446 = 1,368,446/x
  3. Step 3: Cross multiply
    630,992x = 1,368,446 × 1,368,446
  4. Step 4: Simplify right side
    630,992x = 1,872,644,454,916
  5. Step 5: Solve for x
    x = 1,872,644,454,916/630,992
  6. Step 6: Final answer
    x = 2,967,778.44

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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.