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Finding the Third Proportional to 905,355 and 1,358,142.75

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Solution

The third proportional to 905,355 and 1,358,142.75 is: 2,037,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,355 : 1,358,142.75 = 1,358,142.75 : x
  2. Step 2: Convert to fraction form
    905,355/1,358,142.75 = 1,358,142.75/x
  3. Step 3: Cross multiply
    905,355x = 1,358,142.75 × 1,358,142.75
  4. Step 4: Simplify right side
    905,355x = 1,844,551,729,377.56
  5. Step 5: Solve for x
    x = 1,844,551,729,377.56/905,355
  6. Step 6: Final answer
    x = 2,037,379.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.