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Finding the Third Proportional to 3,664.13 and 7,903.69

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Solution

The third proportional to 3,664.13 and 7,903.69 is: 17,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.13 : 7,903.69 = 7,903.69 : x
  2. Step 2: Convert to fraction form
    3,664.13/7,903.69 = 7,903.69/x
  3. Step 3: Cross multiply
    3,664.13x = 7,903.69 × 7,903.69
  4. Step 4: Simplify right side
    3,664.13x = 62,468,276.10
  5. Step 5: Solve for x
    x = 62,468,276.10/3,664.13
  6. Step 6: Final answer
    x = 17,048.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.