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Finding the Third Proportional to 8,780.06 and 15,611.06

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Solution

The third proportional to 8,780.06 and 15,611.06 is: 27,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.06 : 15,611.06 = 15,611.06 : x
  2. Step 2: Convert to fraction form
    8,780.06/15,611.06 = 15,611.06/x
  3. Step 3: Cross multiply
    8,780.06x = 15,611.06 × 15,611.06
  4. Step 4: Simplify right side
    8,780.06x = 243,705,272.38
  5. Step 5: Solve for x
    x = 243,705,272.38/8,780.06
  6. Step 6: Final answer
    x = 27,756.67

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.