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Finding the Third Proportional to 7,735.50 and 16,215.19

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Solution

The third proportional to 7,735.50 and 16,215.19 is: 33,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.50 : 16,215.19 = 16,215.19 : x
  2. Step 2: Convert to fraction form
    7,735.50/16,215.19 = 16,215.19/x
  3. Step 3: Cross multiply
    7,735.50x = 16,215.19 × 16,215.19
  4. Step 4: Simplify right side
    7,735.50x = 262,932,305.66
  5. Step 5: Solve for x
    x = 262,932,305.66/7,735.50
  6. Step 6: Final answer
    x = 33,990.34

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.