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Finding the Third Proportional to 620,151.19 and 998,843.91

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Solution

The third proportional to 620,151.19 and 998,843.91 is: 1,608,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,151.19 : 998,843.91 = 998,843.91 : x
  2. Step 2: Convert to fraction form
    620,151.19/998,843.91 = 998,843.91/x
  3. Step 3: Cross multiply
    620,151.19x = 998,843.91 × 998,843.91
  4. Step 4: Simplify right side
    620,151.19x = 997,689,149,052.76
  5. Step 5: Solve for x
    x = 997,689,149,052.76/620,151.19
  6. Step 6: Final answer
    x = 1,608,783.74

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.