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Finding the Third Proportional to 919.13 and 1,735.31

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Solution

The third proportional to 919.13 and 1,735.31 is: 3,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    919.13 : 1,735.31 = 1,735.31 : x
  2. Step 2: Convert to fraction form
    919.13/1,735.31 = 1,735.31/x
  3. Step 3: Cross multiply
    919.13x = 1,735.31 × 1,735.31
  4. Step 4: Simplify right side
    919.13x = 3,011,309.47
  5. Step 5: Solve for x
    x = 3,011,309.47/919.13
  6. Step 6: Final answer
    x = 3,276.28

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.