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Finding the Third Proportional to 1,736.44 and 3,639.94

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Solution

The third proportional to 1,736.44 and 3,639.94 is: 7,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.44 : 3,639.94 = 3,639.94 : x
  2. Step 2: Convert to fraction form
    1,736.44/3,639.94 = 3,639.94/x
  3. Step 3: Cross multiply
    1,736.44x = 3,639.94 × 3,639.94
  4. Step 4: Simplify right side
    1,736.44x = 13,249,145.00
  5. Step 5: Solve for x
    x = 13,249,145.00/1,736.44
  6. Step 6: Final answer
    x = 7,630.07

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.