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Finding the Third Proportional to 887,391.97 and 1,916,661.56

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Solution

The third proportional to 887,391.97 and 1,916,661.56 is: 4,139,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,391.97 : 1,916,661.56 = 1,916,661.56 : x
  2. Step 2: Convert to fraction form
    887,391.97/1,916,661.56 = 1,916,661.56/x
  3. Step 3: Cross multiply
    887,391.97x = 1,916,661.56 × 1,916,661.56
  4. Step 4: Simplify right side
    887,391.97x = 3,673,591,528,670.54
  5. Step 5: Solve for x
    x = 3,673,591,528,670.54/887,391.97
  6. Step 6: Final answer
    x = 4,139,761.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.