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Finding the Third Proportional to 1,883,143.69 and 4,102,591.78

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Solution

The third proportional to 1,883,143.69 and 4,102,591.78 is: 8,937,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,143.69 : 4,102,591.78 = 4,102,591.78 : x
  2. Step 2: Convert to fraction form
    1,883,143.69/4,102,591.78 = 4,102,591.78/x
  3. Step 3: Cross multiply
    1,883,143.69x = 4,102,591.78 × 4,102,591.78
  4. Step 4: Simplify right side
    1,883,143.69x = 16,831,259,323,580.05
  5. Step 5: Solve for x
    x = 16,831,259,323,580.05/1,883,143.69
  6. Step 6: Final answer
    x = 8,937,851.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.