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Finding the Third Proportional to 108,519.75 and 165,901.50

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Solution

The third proportional to 108,519.75 and 165,901.50 is: 253,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519.75 : 165,901.50 = 165,901.50 : x
  2. Step 2: Convert to fraction form
    108,519.75/165,901.50 = 165,901.50/x
  3. Step 3: Cross multiply
    108,519.75x = 165,901.50 × 165,901.50
  4. Step 4: Simplify right side
    108,519.75x = 27,523,307,702.25
  5. Step 5: Solve for x
    x = 27,523,307,702.25/108,519.75
  6. Step 6: Final answer
    x = 253,624.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.