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Finding the Third Proportional to 6,566.70 and 8,619.86

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Solution

The third proportional to 6,566.70 and 8,619.86 is: 11,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,566.70 : 8,619.86 = 8,619.86 : x
  2. Step 2: Convert to fraction form
    6,566.70/8,619.86 = 8,619.86/x
  3. Step 3: Cross multiply
    6,566.70x = 8,619.86 × 8,619.86
  4. Step 4: Simplify right side
    6,566.70x = 74,301,908.30
  5. Step 5: Solve for x
    x = 74,301,908.30/6,566.70
  6. Step 6: Final answer
    x = 11,314.96

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.