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Finding the Third Proportional to 6,773.63 and 8,214.75

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Solution

The third proportional to 6,773.63 and 8,214.75 is: 9,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,773.63 : 8,214.75 = 8,214.75 : x
  2. Step 2: Convert to fraction form
    6,773.63/8,214.75 = 8,214.75/x
  3. Step 3: Cross multiply
    6,773.63x = 8,214.75 × 8,214.75
  4. Step 4: Simplify right side
    6,773.63x = 67,482,117.56
  5. Step 5: Solve for x
    x = 67,482,117.56/6,773.63
  6. Step 6: Final answer
    x = 9,962.48

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.