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Finding the Third Proportional to 125,165 and 193,689.50

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Solution

The third proportional to 125,165 and 193,689.50 is: 299,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,165 : 193,689.50 = 193,689.50 : x
  2. Step 2: Convert to fraction form
    125,165/193,689.50 = 193,689.50/x
  3. Step 3: Cross multiply
    125,165x = 193,689.50 × 193,689.50
  4. Step 4: Simplify right side
    125,165x = 37,515,622,410.25
  5. Step 5: Solve for x
    x = 37,515,622,410.25/125,165
  6. Step 6: Final answer
    x = 299,729.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.