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Finding the Third Proportional to 1,827.56 and 3,609.56

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Solution

The third proportional to 1,827.56 and 3,609.56 is: 7,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.56 : 3,609.56 = 3,609.56 : x
  2. Step 2: Convert to fraction form
    1,827.56/3,609.56 = 3,609.56/x
  3. Step 3: Cross multiply
    1,827.56x = 3,609.56 × 3,609.56
  4. Step 4: Simplify right side
    1,827.56x = 13,028,941.44
  5. Step 5: Solve for x
    x = 13,028,941.44/1,827.56
  6. Step 6: Final answer
    x = 7,129.14

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.