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Finding the Third Proportional to 3,655.13 and 5,622.19

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Solution

The third proportional to 3,655.13 and 5,622.19 is: 8,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.13 : 5,622.19 = 5,622.19 : x
  2. Step 2: Convert to fraction form
    3,655.13/5,622.19 = 5,622.19/x
  3. Step 3: Cross multiply
    3,655.13x = 5,622.19 × 5,622.19
  4. Step 4: Simplify right side
    3,655.13x = 31,608,992.29
  5. Step 5: Solve for x
    x = 31,608,992.29/3,655.13
  6. Step 6: Final answer
    x = 8,647.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.