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Finding the Third Proportional to 7,068.38 and 15,366.38

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Solution

The third proportional to 7,068.38 and 15,366.38 is: 33,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.38 : 15,366.38 = 15,366.38 : x
  2. Step 2: Convert to fraction form
    7,068.38/15,366.38 = 15,366.38/x
  3. Step 3: Cross multiply
    7,068.38x = 15,366.38 × 15,366.38
  4. Step 4: Simplify right side
    7,068.38x = 236,125,480.64
  5. Step 5: Solve for x
    x = 236,125,480.64/7,068.38
  6. Step 6: Final answer
    x = 33,405.91

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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.