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Finding the Third Proportional to 6,642 and 14,316.75

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Solution

The third proportional to 6,642 and 14,316.75 is: 30,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642 : 14,316.75 = 14,316.75 : x
  2. Step 2: Convert to fraction form
    6,642/14,316.75 = 14,316.75/x
  3. Step 3: Cross multiply
    6,642x = 14,316.75 × 14,316.75
  4. Step 4: Simplify right side
    6,642x = 204,969,330.56
  5. Step 5: Solve for x
    x = 204,969,330.56/6,642
  6. Step 6: Final answer
    x = 30,859.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.