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Finding the Third Proportional to 3,201,987 and 7,026,939

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Solution

The third proportional to 3,201,987 and 7,026,939 is: 15,421,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201,987 : 7,026,939 = 7,026,939 : x
  2. Step 2: Convert to fraction form
    3,201,987/7,026,939 = 7,026,939/x
  3. Step 3: Cross multiply
    3,201,987x = 7,026,939 × 7,026,939
  4. Step 4: Simplify right side
    3,201,987x = 49,377,871,709,721
  5. Step 5: Solve for x
    x = 49,377,871,709,721/3,201,987
  6. Step 6: Final answer
    x = 15,421,009.43

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.