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Finding the Third Proportional to 3,307.08 and 7,279.88

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Solution

The third proportional to 3,307.08 and 7,279.88 is: 16,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.08 : 7,279.88 = 7,279.88 : x
  2. Step 2: Convert to fraction form
    3,307.08/7,279.88 = 7,279.88/x
  3. Step 3: Cross multiply
    3,307.08x = 7,279.88 × 7,279.88
  4. Step 4: Simplify right side
    3,307.08x = 52,996,580.02
  5. Step 5: Solve for x
    x = 52,996,580.02/3,307.08
  6. Step 6: Final answer
    x = 16,025.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.