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Finding the Third Proportional to 889,761.38 and 1,919,490.75

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Solution

The third proportional to 889,761.38 and 1,919,490.75 is: 4,140,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,761.38 : 1,919,490.75 = 1,919,490.75 : x
  2. Step 2: Convert to fraction form
    889,761.38/1,919,490.75 = 1,919,490.75/x
  3. Step 3: Cross multiply
    889,761.38x = 1,919,490.75 × 1,919,490.75
  4. Step 4: Simplify right side
    889,761.38x = 3,684,444,739,335.56
  5. Step 5: Solve for x
    x = 3,684,444,739,335.56/889,761.38
  6. Step 6: Final answer
    x = 4,140,935.81

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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.