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Finding the Third Proportional to 372,093.75 and 815,127.75

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Solution

The third proportional to 372,093.75 and 815,127.75 is: 1,785,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,093.75 : 815,127.75 = 815,127.75 : x
  2. Step 2: Convert to fraction form
    372,093.75/815,127.75 = 815,127.75/x
  3. Step 3: Cross multiply
    372,093.75x = 815,127.75 × 815,127.75
  4. Step 4: Simplify right side
    372,093.75x = 664,433,248,820.06
  5. Step 5: Solve for x
    x = 664,433,248,820.06/372,093.75
  6. Step 6: Final answer
    x = 1,785,660.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.