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Finding the Third Proportional to 73,224 and 109,518

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Solution

The third proportional to 73,224 and 109,518 is: 163,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,224 : 109,518 = 109,518 : x
  2. Step 2: Convert to fraction form
    73,224/109,518 = 109,518/x
  3. Step 3: Cross multiply
    73,224x = 109,518 × 109,518
  4. Step 4: Simplify right side
    73,224x = 11,994,192,324
  5. Step 5: Solve for x
    x = 11,994,192,324/73,224
  6. Step 6: Final answer
    x = 163,801.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.