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Finding the Third Proportional to 1,802.13 and 3,911.94

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Solution

The third proportional to 1,802.13 and 3,911.94 is: 8,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.13 : 3,911.94 = 3,911.94 : x
  2. Step 2: Convert to fraction form
    1,802.13/3,911.94 = 3,911.94/x
  3. Step 3: Cross multiply
    1,802.13x = 3,911.94 × 3,911.94
  4. Step 4: Simplify right side
    1,802.13x = 15,303,255.00
  5. Step 5: Solve for x
    x = 15,303,255.00/1,802.13
  6. Step 6: Final answer
    x = 8,491.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.