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Finding the Third Proportional to 1,774.69 and 3,291.19

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Solution

The third proportional to 1,774.69 and 3,291.19 is: 6,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.69 : 3,291.19 = 3,291.19 : x
  2. Step 2: Convert to fraction form
    1,774.69/3,291.19 = 3,291.19/x
  3. Step 3: Cross multiply
    1,774.69x = 3,291.19 × 3,291.19
  4. Step 4: Simplify right side
    1,774.69x = 10,831,915.16
  5. Step 5: Solve for x
    x = 10,831,915.16/1,774.69
  6. Step 6: Final answer
    x = 6,103.56

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.