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Finding the Third Proportional to 3,557.25 and 8,310.94

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Solution

The third proportional to 3,557.25 and 8,310.94 is: 19,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.25 : 8,310.94 = 8,310.94 : x
  2. Step 2: Convert to fraction form
    3,557.25/8,310.94 = 8,310.94/x
  3. Step 3: Cross multiply
    3,557.25x = 8,310.94 × 8,310.94
  4. Step 4: Simplify right side
    3,557.25x = 69,071,682.13
  5. Step 5: Solve for x
    x = 69,071,682.13/3,557.25
  6. Step 6: Final answer
    x = 19,417.16

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.