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Finding the Third Proportional to 1,245,813.75 and 1,893,915

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Solution

The third proportional to 1,245,813.75 and 1,893,915 is: 2,879,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,813.75 : 1,893,915 = 1,893,915 : x
  2. Step 2: Convert to fraction form
    1,245,813.75/1,893,915 = 1,893,915/x
  3. Step 3: Cross multiply
    1,245,813.75x = 1,893,915 × 1,893,915
  4. Step 4: Simplify right side
    1,245,813.75x = 3,586,914,027,225
  5. Step 5: Solve for x
    x = 3,586,914,027,225/1,245,813.75
  6. Step 6: Final answer
    x = 2,879,173.57

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.