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Finding the Third Proportional to 131,313.75 and 192,312

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Solution

The third proportional to 131,313.75 and 192,312 is: 281,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,313.75 : 192,312 = 192,312 : x
  2. Step 2: Convert to fraction form
    131,313.75/192,312 = 192,312/x
  3. Step 3: Cross multiply
    131,313.75x = 192,312 × 192,312
  4. Step 4: Simplify right side
    131,313.75x = 36,983,905,344
  5. Step 5: Solve for x
    x = 36,983,905,344/131,313.75
  6. Step 6: Final answer
    x = 281,645.34

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.