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Finding the Third Proportional to 112,400 and 242,224

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Solution

The third proportional to 112,400 and 242,224 is: 521,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,400 : 242,224 = 242,224 : x
  2. Step 2: Convert to fraction form
    112,400/242,224 = 242,224/x
  3. Step 3: Cross multiply
    112,400x = 242,224 × 242,224
  4. Step 4: Simplify right side
    112,400x = 58,672,466,176
  5. Step 5: Solve for x
    x = 58,672,466,176/112,400
  6. Step 6: Final answer
    x = 521,997.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.