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Finding the Third Proportional to 3,485.25 and 5,459.63

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Solution

The third proportional to 3,485.25 and 5,459.63 is: 8,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.25 : 5,459.63 = 5,459.63 : x
  2. Step 2: Convert to fraction form
    3,485.25/5,459.63 = 5,459.63/x
  3. Step 3: Cross multiply
    3,485.25x = 5,459.63 × 5,459.63
  4. Step 4: Simplify right side
    3,485.25x = 29,807,505.14
  5. Step 5: Solve for x
    x = 29,807,505.14/3,485.25
  6. Step 6: Final answer
    x = 8,552.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.