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Finding the Third Proportional to 7,975.13 and 10,531.69

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Solution

The third proportional to 7,975.13 and 10,531.69 is: 13,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.13 : 10,531.69 = 10,531.69 : x
  2. Step 2: Convert to fraction form
    7,975.13/10,531.69 = 10,531.69/x
  3. Step 3: Cross multiply
    7,975.13x = 10,531.69 × 10,531.69
  4. Step 4: Simplify right side
    7,975.13x = 110,916,441.60
  5. Step 5: Solve for x
    x = 110,916,441.60/7,975.13
  6. Step 6: Final answer
    x = 13,907.80

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.