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Finding the Third Proportional to 8,872.19 and 13,735.38

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Solution

The third proportional to 8,872.19 and 13,735.38 is: 21,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.19 : 13,735.38 = 13,735.38 : x
  2. Step 2: Convert to fraction form
    8,872.19/13,735.38 = 13,735.38/x
  3. Step 3: Cross multiply
    8,872.19x = 13,735.38 × 13,735.38
  4. Step 4: Simplify right side
    8,872.19x = 188,660,526.39
  5. Step 5: Solve for x
    x = 188,660,526.39/8,872.19
  6. Step 6: Final answer
    x = 21,264.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.