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Finding the Third Proportional to 351.19 and 760.13

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Solution

The third proportional to 351.19 and 760.13 is: 1,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.19 : 760.13 = 760.13 : x
  2. Step 2: Convert to fraction form
    351.19/760.13 = 760.13/x
  3. Step 3: Cross multiply
    351.19x = 760.13 × 760.13
  4. Step 4: Simplify right side
    351.19x = 577,790.02
  5. Step 5: Solve for x
    x = 577,790.02/351.19
  6. Step 6: Final answer
    x = 1,645.25

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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.