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Finding the Third Proportional to 74,064 and 156,956

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Solution

The third proportional to 74,064 and 156,956 is: 332,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,064 : 156,956 = 156,956 : x
  2. Step 2: Convert to fraction form
    74,064/156,956 = 156,956/x
  3. Step 3: Cross multiply
    74,064x = 156,956 × 156,956
  4. Step 4: Simplify right side
    74,064x = 24,635,185,936
  5. Step 5: Solve for x
    x = 24,635,185,936/74,064
  6. Step 6: Final answer
    x = 332,620.25

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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.