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Finding the Third Proportional to 7,543.13 and 16,382.25

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Solution

The third proportional to 7,543.13 and 16,382.25 is: 35,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.13 : 16,382.25 = 16,382.25 : x
  2. Step 2: Convert to fraction form
    7,543.13/16,382.25 = 16,382.25/x
  3. Step 3: Cross multiply
    7,543.13x = 16,382.25 × 16,382.25
  4. Step 4: Simplify right side
    7,543.13x = 268,378,115.06
  5. Step 5: Solve for x
    x = 268,378,115.06/7,543.13
  6. Step 6: Final answer
    x = 35,579.17

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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.