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Finding the Third Proportional to 8,915.06 and 19,212.19

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Solution

The third proportional to 8,915.06 and 19,212.19 is: 41,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.06 : 19,212.19 = 19,212.19 : x
  2. Step 2: Convert to fraction form
    8,915.06/19,212.19 = 19,212.19/x
  3. Step 3: Cross multiply
    8,915.06x = 19,212.19 × 19,212.19
  4. Step 4: Simplify right side
    8,915.06x = 369,108,148.54
  5. Step 5: Solve for x
    x = 369,108,148.54/8,915.06
  6. Step 6: Final answer
    x = 41,402.76

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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.