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Finding the Third Proportional to 108,115.50 and 235,611

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Solution

The third proportional to 108,115.50 and 235,611 is: 513,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115.50 : 235,611 = 235,611 : x
  2. Step 2: Convert to fraction form
    108,115.50/235,611 = 235,611/x
  3. Step 3: Cross multiply
    108,115.50x = 235,611 × 235,611
  4. Step 4: Simplify right side
    108,115.50x = 55,512,543,321
  5. Step 5: Solve for x
    x = 55,512,543,321/108,115.50
  6. Step 6: Final answer
    x = 513,455.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.