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Finding the Third Proportional to 2,002,655.81 and 3,102,936.19

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Solution

The third proportional to 2,002,655.81 and 3,102,936.19 is: 4,807,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002,655.81 : 3,102,936.19 = 3,102,936.19 : x
  2. Step 2: Convert to fraction form
    2,002,655.81/3,102,936.19 = 3,102,936.19/x
  3. Step 3: Cross multiply
    2,002,655.81x = 3,102,936.19 × 3,102,936.19
  4. Step 4: Simplify right side
    2,002,655.81x = 9,628,212,983,697.04
  5. Step 5: Solve for x
    x = 9,628,212,983,697.04/2,002,655.81
  6. Step 6: Final answer
    x = 4,807,722.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.