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Finding the Third Proportional to 904,989 and 1,787,134

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Solution

The third proportional to 904,989 and 1,787,134 is: 3,529,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,989 : 1,787,134 = 1,787,134 : x
  2. Step 2: Convert to fraction form
    904,989/1,787,134 = 1,787,134/x
  3. Step 3: Cross multiply
    904,989x = 1,787,134 × 1,787,134
  4. Step 4: Simplify right side
    904,989x = 3,193,847,933,956
  5. Step 5: Solve for x
    x = 3,193,847,933,956/904,989
  6. Step 6: Final answer
    x = 3,529,156.64

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.