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Finding the Third Proportional to 73,530 and 155,726

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Solution

The third proportional to 73,530 and 155,726 is: 329,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,530 : 155,726 = 155,726 : x
  2. Step 2: Convert to fraction form
    73,530/155,726 = 155,726/x
  3. Step 3: Cross multiply
    73,530x = 155,726 × 155,726
  4. Step 4: Simplify right side
    73,530x = 24,250,587,076
  5. Step 5: Solve for x
    x = 24,250,587,076/73,530
  6. Step 6: Final answer
    x = 329,805.35

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.