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Finding the Third Proportional to 955.69 and 2,101.22

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Solution

The third proportional to 955.69 and 2,101.22 is: 4,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.69 : 2,101.22 = 2,101.22 : x
  2. Step 2: Convert to fraction form
    955.69/2,101.22 = 2,101.22/x
  3. Step 3: Cross multiply
    955.69x = 2,101.22 × 2,101.22
  4. Step 4: Simplify right side
    955.69x = 4,415,120.24
  5. Step 5: Solve for x
    x = 4,415,120.24/955.69
  6. Step 6: Final answer
    x = 4,619.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.