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Finding the Third Proportional to 67,611.38 and 156,515.63

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Solution

The third proportional to 67,611.38 and 156,515.63 is: 362,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,611.38 : 156,515.63 = 156,515.63 : x
  2. Step 2: Convert to fraction form
    67,611.38/156,515.63 = 156,515.63/x
  3. Step 3: Cross multiply
    67,611.38x = 156,515.63 × 156,515.63
  4. Step 4: Simplify right side
    67,611.38x = 24,497,140,869.14
  5. Step 5: Solve for x
    x = 24,497,140,869.14/67,611.38
  6. Step 6: Final answer
    x = 362,322.77

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.