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Finding the Third Proportional to 421,976.25 and 995,503.50

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Solution

The third proportional to 421,976.25 and 995,503.50 is: 2,348,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,976.25 : 995,503.50 = 995,503.50 : x
  2. Step 2: Convert to fraction form
    421,976.25/995,503.50 = 995,503.50/x
  3. Step 3: Cross multiply
    421,976.25x = 995,503.50 × 995,503.50
  4. Step 4: Simplify right side
    421,976.25x = 991,027,218,512.25
  5. Step 5: Solve for x
    x = 991,027,218,512.25/421,976.25
  6. Step 6: Final answer
    x = 2,348,537.91

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.