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Finding the Third Proportional to 131,108.63 and 281,333.25

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Solution

The third proportional to 131,108.63 and 281,333.25 is: 603,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,108.63 : 281,333.25 = 281,333.25 : x
  2. Step 2: Convert to fraction form
    131,108.63/281,333.25 = 281,333.25/x
  3. Step 3: Cross multiply
    131,108.63x = 281,333.25 × 281,333.25
  4. Step 4: Simplify right side
    131,108.63x = 79,148,397,555.56
  5. Step 5: Solve for x
    x = 79,148,397,555.56/131,108.63
  6. Step 6: Final answer
    x = 603,685.67

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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.