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Finding the Third Proportional to 9,611.16 and 20,660.06

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Solution

The third proportional to 9,611.16 and 20,660.06 is: 44,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.16 : 20,660.06 = 20,660.06 : x
  2. Step 2: Convert to fraction form
    9,611.16/20,660.06 = 20,660.06/x
  3. Step 3: Cross multiply
    9,611.16x = 20,660.06 × 20,660.06
  4. Step 4: Simplify right side
    9,611.16x = 426,838,182.50
  5. Step 5: Solve for x
    x = 426,838,182.50/9,611.16
  6. Step 6: Final answer
    x = 44,410.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.