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Finding the Third Proportional to 55,611.56 and 131,152.92

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Solution

The third proportional to 55,611.56 and 131,152.92 is: 309,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.56 : 131,152.92 = 131,152.92 : x
  2. Step 2: Convert to fraction form
    55,611.56/131,152.92 = 131,152.92/x
  3. Step 3: Cross multiply
    55,611.56x = 131,152.92 × 131,152.92
  4. Step 4: Simplify right side
    55,611.56x = 17,201,088,916.35
  5. Step 5: Solve for x
    x = 17,201,088,916.35/55,611.56
  6. Step 6: Final answer
    x = 309,307.78

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.