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Finding the Third Proportional to 452,720 and 995,840

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Solution

The third proportional to 452,720 and 995,840 is: 2,190,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,720 : 995,840 = 995,840 : x
  2. Step 2: Convert to fraction form
    452,720/995,840 = 995,840/x
  3. Step 3: Cross multiply
    452,720x = 995,840 × 995,840
  4. Step 4: Simplify right side
    452,720x = 991,697,305,600
  5. Step 5: Solve for x
    x = 991,697,305,600/452,720
  6. Step 6: Final answer
    x = 2,190,531.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.