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Finding the Third Proportional to 1,955.39 and 4,195.55

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Solution

The third proportional to 1,955.39 and 4,195.55 is: 9,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.39 : 4,195.55 = 4,195.55 : x
  2. Step 2: Convert to fraction form
    1,955.39/4,195.55 = 4,195.55/x
  3. Step 3: Cross multiply
    1,955.39x = 4,195.55 × 4,195.55
  4. Step 4: Simplify right side
    1,955.39x = 17,602,613.58
  5. Step 5: Solve for x
    x = 17,602,613.58/1,955.39
  6. Step 6: Final answer
    x = 9,002.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.