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Finding the Third Proportional to 458,388.56 and 995,661.56

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Solution

The third proportional to 458,388.56 and 995,661.56 is: 2,162,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,388.56 : 995,661.56 = 995,661.56 : x
  2. Step 2: Convert to fraction form
    458,388.56/995,661.56 = 995,661.56/x
  3. Step 3: Cross multiply
    458,388.56x = 995,661.56 × 995,661.56
  4. Step 4: Simplify right side
    458,388.56x = 991,341,947,039.94
  5. Step 5: Solve for x
    x = 991,341,947,039.94/458,388.56
  6. Step 6: Final answer
    x = 2,162,667.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.