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Finding the Third Proportional to 6,863.06 and 7,889.06

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Solution

The third proportional to 6,863.06 and 7,889.06 is: 9,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.06 : 7,889.06 = 7,889.06 : x
  2. Step 2: Convert to fraction form
    6,863.06/7,889.06 = 7,889.06/x
  3. Step 3: Cross multiply
    6,863.06x = 7,889.06 × 7,889.06
  4. Step 4: Simplify right side
    6,863.06x = 62,237,307.13
  5. Step 5: Solve for x
    x = 62,237,307.13/6,863.06
  6. Step 6: Final answer
    x = 9,068.45

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.