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Finding the Third Proportional to 940,682 and 2,068,645

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Solution

The third proportional to 940,682 and 2,068,645 is: 4,549,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,682 : 2,068,645 = 2,068,645 : x
  2. Step 2: Convert to fraction form
    940,682/2,068,645 = 2,068,645/x
  3. Step 3: Cross multiply
    940,682x = 2,068,645 × 2,068,645
  4. Step 4: Simplify right side
    940,682x = 4,279,292,136,025
  5. Step 5: Solve for x
    x = 4,279,292,136,025/940,682
  6. Step 6: Final answer
    x = 4,549,137.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.