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Finding the Third Proportional to 1,644,888.75 and 3,667,990.50

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Solution

The third proportional to 1,644,888.75 and 3,667,990.50 is: 8,179,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,888.75 : 3,667,990.50 = 3,667,990.50 : x
  2. Step 2: Convert to fraction form
    1,644,888.75/3,667,990.50 = 3,667,990.50/x
  3. Step 3: Cross multiply
    1,644,888.75x = 3,667,990.50 × 3,667,990.50
  4. Step 4: Simplify right side
    1,644,888.75x = 13,454,154,308,090.25
  5. Step 5: Solve for x
    x = 13,454,154,308,090.25/1,644,888.75
  6. Step 6: Final answer
    x = 8,179,370.37

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.