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Finding the Third Proportional to 16,129.13 and 25,530.19

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Solution

The third proportional to 16,129.13 and 25,530.19 is: 40,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.13 : 25,530.19 = 25,530.19 : x
  2. Step 2: Convert to fraction form
    16,129.13/25,530.19 = 25,530.19/x
  3. Step 3: Cross multiply
    16,129.13x = 25,530.19 × 25,530.19
  4. Step 4: Simplify right side
    16,129.13x = 651,790,473.79
  5. Step 5: Solve for x
    x = 651,790,473.79/16,129.13
  6. Step 6: Final answer
    x = 40,410.78

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.