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Finding the Third Proportional to 7,011.56 and 8,145.56

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Solution

The third proportional to 7,011.56 and 8,145.56 is: 9,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.56 : 8,145.56 = 8,145.56 : x
  2. Step 2: Convert to fraction form
    7,011.56/8,145.56 = 8,145.56/x
  3. Step 3: Cross multiply
    7,011.56x = 8,145.56 × 8,145.56
  4. Step 4: Simplify right side
    7,011.56x = 66,350,188.44
  5. Step 5: Solve for x
    x = 66,350,188.44/7,011.56
  6. Step 6: Final answer
    x = 9,462.97

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.