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Finding the Third Proportional to 7,670.25 and 11,505.75

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Solution

The third proportional to 7,670.25 and 11,505.75 is: 17,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.25 : 11,505.75 = 11,505.75 : x
  2. Step 2: Convert to fraction form
    7,670.25/11,505.75 = 11,505.75/x
  3. Step 3: Cross multiply
    7,670.25x = 11,505.75 × 11,505.75
  4. Step 4: Simplify right side
    7,670.25x = 132,382,283.06
  5. Step 5: Solve for x
    x = 132,382,283.06/7,670.25
  6. Step 6: Final answer
    x = 17,259.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.