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Finding the Third Proportional to 2,589,424.50 and 3,920,121

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Solution

The third proportional to 2,589,424.50 and 3,920,121 is: 5,934,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,424.50 : 3,920,121 = 3,920,121 : x
  2. Step 2: Convert to fraction form
    2,589,424.50/3,920,121 = 3,920,121/x
  3. Step 3: Cross multiply
    2,589,424.50x = 3,920,121 × 3,920,121
  4. Step 4: Simplify right side
    2,589,424.50x = 15,367,348,654,641
  5. Step 5: Solve for x
    x = 15,367,348,654,641/2,589,424.50
  6. Step 6: Final answer
    x = 5,934,657.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.