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Finding the Third Proportional to 1,341.28 and 2,097.28

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Solution

The third proportional to 1,341.28 and 2,097.28 is: 3,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.28 : 2,097.28 = 2,097.28 : x
  2. Step 2: Convert to fraction form
    1,341.28/2,097.28 = 2,097.28/x
  3. Step 3: Cross multiply
    1,341.28x = 2,097.28 × 2,097.28
  4. Step 4: Simplify right side
    1,341.28x = 4,398,588.64
  5. Step 5: Solve for x
    x = 4,398,588.64/1,341.28
  6. Step 6: Final answer
    x = 3,279.39

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.