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Finding the Third Proportional to 112,321 and 247,106

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Solution

The third proportional to 112,321 and 247,106 is: 543,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,321 : 247,106 = 247,106 : x
  2. Step 2: Convert to fraction form
    112,321/247,106 = 247,106/x
  3. Step 3: Cross multiply
    112,321x = 247,106 × 247,106
  4. Step 4: Simplify right side
    112,321x = 61,061,375,236
  5. Step 5: Solve for x
    x = 61,061,375,236/112,321
  6. Step 6: Final answer
    x = 543,632.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.