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Finding the Third Proportional to 34,353 and 74,580

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Solution

The third proportional to 34,353 and 74,580 is: 161,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,353 : 74,580 = 74,580 : x
  2. Step 2: Convert to fraction form
    34,353/74,580 = 74,580/x
  3. Step 3: Cross multiply
    34,353x = 74,580 × 74,580
  4. Step 4: Simplify right side
    34,353x = 5,562,176,400
  5. Step 5: Solve for x
    x = 5,562,176,400/34,353
  6. Step 6: Final answer
    x = 161,912.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.