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Finding the Third Proportional to 126,246 and 272,172

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Solution

The third proportional to 126,246 and 272,172 is: 586,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,246 : 272,172 = 272,172 : x
  2. Step 2: Convert to fraction form
    126,246/272,172 = 272,172/x
  3. Step 3: Cross multiply
    126,246x = 272,172 × 272,172
  4. Step 4: Simplify right side
    126,246x = 74,077,597,584
  5. Step 5: Solve for x
    x = 74,077,597,584/126,246
  6. Step 6: Final answer
    x = 586,771.84

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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.