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Finding the Third Proportional to 57,276 and 125,460

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Solution

The third proportional to 57,276 and 125,460 is: 274,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276 : 125,460 = 125,460 : x
  2. Step 2: Convert to fraction form
    57,276/125,460 = 125,460/x
  3. Step 3: Cross multiply
    57,276x = 125,460 × 125,460
  4. Step 4: Simplify right side
    57,276x = 15,740,211,600
  5. Step 5: Solve for x
    x = 15,740,211,600/57,276
  6. Step 6: Final answer
    x = 274,813.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.