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Finding the Third Proportional to 621,843.75 and 932,583.38

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Solution

The third proportional to 621,843.75 and 932,583.38 is: 1,398,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,843.75 : 932,583.38 = 932,583.38 : x
  2. Step 2: Convert to fraction form
    621,843.75/932,583.38 = 932,583.38/x
  3. Step 3: Cross multiply
    621,843.75x = 932,583.38 × 932,583.38
  4. Step 4: Simplify right side
    621,843.75x = 869,711,751,326.39
  5. Step 5: Solve for x
    x = 869,711,751,326.39/621,843.75
  6. Step 6: Final answer
    x = 1,398,601.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.