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Finding the Third Proportional to 1,438,870.50 and 3,108,287.25

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Solution

The third proportional to 1,438,870.50 and 3,108,287.25 is: 6,714,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,870.50 : 3,108,287.25 = 3,108,287.25 : x
  2. Step 2: Convert to fraction form
    1,438,870.50/3,108,287.25 = 3,108,287.25/x
  3. Step 3: Cross multiply
    1,438,870.50x = 3,108,287.25 × 3,108,287.25
  4. Step 4: Simplify right side
    1,438,870.50x = 9,661,449,628,512.56
  5. Step 5: Solve for x
    x = 9,661,449,628,512.56/1,438,870.50
  6. Step 6: Final answer
    x = 6,714,606.79

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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.