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Finding the Third Proportional to 7,331.77 and 15,908.91

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Solution

The third proportional to 7,331.77 and 15,908.91 is: 34,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.77 : 15,908.91 = 15,908.91 : x
  2. Step 2: Convert to fraction form
    7,331.77/15,908.91 = 15,908.91/x
  3. Step 3: Cross multiply
    7,331.77x = 15,908.91 × 15,908.91
  4. Step 4: Simplify right side
    7,331.77x = 253,093,298.07
  5. Step 5: Solve for x
    x = 253,093,298.07/7,331.77
  6. Step 6: Final answer
    x = 34,520.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.