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Finding the Third Proportional to 6,135.75 and 6,666.75

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Solution

The third proportional to 6,135.75 and 6,666.75 is: 7,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.75 : 6,666.75 = 6,666.75 : x
  2. Step 2: Convert to fraction form
    6,135.75/6,666.75 = 6,666.75/x
  3. Step 3: Cross multiply
    6,135.75x = 6,666.75 × 6,666.75
  4. Step 4: Simplify right side
    6,135.75x = 44,445,555.56
  5. Step 5: Solve for x
    x = 44,445,555.56/6,135.75
  6. Step 6: Final answer
    x = 7,243.70

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.