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Finding the Third Proportional to 74,064 and 156,954

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Solution

The third proportional to 74,064 and 156,954 is: 332,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,064 : 156,954 = 156,954 : x
  2. Step 2: Convert to fraction form
    74,064/156,954 = 156,954/x
  3. Step 3: Cross multiply
    74,064x = 156,954 × 156,954
  4. Step 4: Simplify right side
    74,064x = 24,634,558,116
  5. Step 5: Solve for x
    x = 24,634,558,116/74,064
  6. Step 6: Final answer
    x = 332,611.77

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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.