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Finding the Third Proportional to 1,730.25 and 3,893.63

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Solution

The third proportional to 1,730.25 and 3,893.63 is: 8,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.25 : 3,893.63 = 3,893.63 : x
  2. Step 2: Convert to fraction form
    1,730.25/3,893.63 = 3,893.63/x
  3. Step 3: Cross multiply
    1,730.25x = 3,893.63 × 3,893.63
  4. Step 4: Simplify right side
    1,730.25x = 15,160,315.64
  5. Step 5: Solve for x
    x = 15,160,315.64/1,730.25
  6. Step 6: Final answer
    x = 8,761.92

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.