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Finding the Third Proportional to 126,348 and 272,377

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Solution

The third proportional to 126,348 and 272,377 is: 587,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,348 : 272,377 = 272,377 : x
  2. Step 2: Convert to fraction form
    126,348/272,377 = 272,377/x
  3. Step 3: Cross multiply
    126,348x = 272,377 × 272,377
  4. Step 4: Simplify right side
    126,348x = 74,189,230,129
  5. Step 5: Solve for x
    x = 74,189,230,129/126,348
  6. Step 6: Final answer
    x = 587,181.67

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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.