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Finding the Third Proportional to 11,102.06 and 15,525.42

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Solution

The third proportional to 11,102.06 and 15,525.42 is: 21,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.06 : 15,525.42 = 15,525.42 : x
  2. Step 2: Convert to fraction form
    11,102.06/15,525.42 = 15,525.42/x
  3. Step 3: Cross multiply
    11,102.06x = 15,525.42 × 15,525.42
  4. Step 4: Simplify right side
    11,102.06x = 241,038,724.40
  5. Step 5: Solve for x
    x = 241,038,724.40/11,102.06
  6. Step 6: Final answer
    x = 21,711.17

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.