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Finding the Third Proportional to 73,620 and 113,232

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Solution

The third proportional to 73,620 and 113,232 is: 174,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,620 : 113,232 = 113,232 : x
  2. Step 2: Convert to fraction form
    73,620/113,232 = 113,232/x
  3. Step 3: Cross multiply
    73,620x = 113,232 × 113,232
  4. Step 4: Simplify right side
    73,620x = 12,821,485,824
  5. Step 5: Solve for x
    x = 12,821,485,824/73,620
  6. Step 6: Final answer
    x = 174,157.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.