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Finding the Third Proportional to 1,157.25 and 2,609.63

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Solution

The third proportional to 1,157.25 and 2,609.63 is: 5,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.25 : 2,609.63 = 2,609.63 : x
  2. Step 2: Convert to fraction form
    1,157.25/2,609.63 = 2,609.63/x
  3. Step 3: Cross multiply
    1,157.25x = 2,609.63 × 2,609.63
  4. Step 4: Simplify right side
    1,157.25x = 6,810,142.64
  5. Step 5: Solve for x
    x = 6,810,142.64/1,157.25
  6. Step 6: Final answer
    x = 5,884.76

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.