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Finding the Third Proportional to 621,941.63 and 1,356,439.50

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Solution

The third proportional to 621,941.63 and 1,356,439.50 is: 2,958,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,941.63 : 1,356,439.50 = 1,356,439.50 : x
  2. Step 2: Convert to fraction form
    621,941.63/1,356,439.50 = 1,356,439.50/x
  3. Step 3: Cross multiply
    621,941.63x = 1,356,439.50 × 1,356,439.50
  4. Step 4: Simplify right side
    621,941.63x = 1,839,928,117,160.25
  5. Step 5: Solve for x
    x = 1,839,928,117,160.25/621,941.63
  6. Step 6: Final answer
    x = 2,958,361.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.