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Finding the Third Proportional to 1,186.03 and 2,158.03

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Solution

The third proportional to 1,186.03 and 2,158.03 is: 3,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186.03 : 2,158.03 = 2,158.03 : x
  2. Step 2: Convert to fraction form
    1,186.03/2,158.03 = 2,158.03/x
  3. Step 3: Cross multiply
    1,186.03x = 2,158.03 × 2,158.03
  4. Step 4: Simplify right side
    1,186.03x = 4,657,098.88
  5. Step 5: Solve for x
    x = 4,657,098.88/1,186.03
  6. Step 6: Final answer
    x = 3,926.62

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Why These Related Problems?

These problems maintain the same ratio (1.82) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.