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Finding the Third Proportional to 1,332,990 and 1,904,842.50

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Solution

The third proportional to 1,332,990 and 1,904,842.50 is: 2,722,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,990 : 1,904,842.50 = 1,904,842.50 : x
  2. Step 2: Convert to fraction form
    1,332,990/1,904,842.50 = 1,904,842.50/x
  3. Step 3: Cross multiply
    1,332,990x = 1,904,842.50 × 1,904,842.50
  4. Step 4: Simplify right side
    1,332,990x = 3,628,424,949,806.25
  5. Step 5: Solve for x
    x = 3,628,424,949,806.25/1,332,990
  6. Step 6: Final answer
    x = 2,722,019.63

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.