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Finding the Third Proportional to 131,117.63 and 281,351.25

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Solution

The third proportional to 131,117.63 and 281,351.25 is: 603,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,117.63 : 281,351.25 = 281,351.25 : x
  2. Step 2: Convert to fraction form
    131,117.63/281,351.25 = 281,351.25/x
  3. Step 3: Cross multiply
    131,117.63x = 281,351.25 × 281,351.25
  4. Step 4: Simplify right side
    131,117.63x = 79,158,525,876.56
  5. Step 5: Solve for x
    x = 79,158,525,876.56/131,117.63
  6. Step 6: Final answer
    x = 603,721.47

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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.