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Finding the Third Proportional to 1,332.70 and 2,802.09

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Solution

The third proportional to 1,332.70 and 2,802.09 is: 5,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.70 : 2,802.09 = 2,802.09 : x
  2. Step 2: Convert to fraction form
    1,332.70/2,802.09 = 2,802.09/x
  3. Step 3: Cross multiply
    1,332.70x = 2,802.09 × 2,802.09
  4. Step 4: Simplify right side
    1,332.70x = 7,851,729.38
  5. Step 5: Solve for x
    x = 7,851,729.38/1,332.70
  6. Step 6: Final answer
    x = 5,891.58

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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.