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Finding the Third Proportional to 6,515.44 and 9,955.41

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Solution

The third proportional to 6,515.44 and 9,955.41 is: 15,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.44 : 9,955.41 = 9,955.41 : x
  2. Step 2: Convert to fraction form
    6,515.44/9,955.41 = 9,955.41/x
  3. Step 3: Cross multiply
    6,515.44x = 9,955.41 × 9,955.41
  4. Step 4: Simplify right side
    6,515.44x = 99,110,113.60
  5. Step 5: Solve for x
    x = 99,110,113.60/6,515.44
  6. Step 6: Final answer
    x = 15,211.58

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.