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Finding the Third Proportional to 1,638,655.50 and 3,342,372

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Solution

The third proportional to 1,638,655.50 and 3,342,372 is: 6,817,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,655.50 : 3,342,372 = 3,342,372 : x
  2. Step 2: Convert to fraction form
    1,638,655.50/3,342,372 = 3,342,372/x
  3. Step 3: Cross multiply
    1,638,655.50x = 3,342,372 × 3,342,372
  4. Step 4: Simplify right side
    1,638,655.50x = 11,171,450,586,384
  5. Step 5: Solve for x
    x = 11,171,450,586,384/1,638,655.50
  6. Step 6: Final answer
    x = 6,817,449.17

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.