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Finding the Third Proportional to 125,680 and 264,286

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Solution

The third proportional to 125,680 and 264,286 is: 555,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,680 : 264,286 = 264,286 : x
  2. Step 2: Convert to fraction form
    125,680/264,286 = 264,286/x
  3. Step 3: Cross multiply
    125,680x = 264,286 × 264,286
  4. Step 4: Simplify right side
    125,680x = 69,847,089,796
  5. Step 5: Solve for x
    x = 69,847,089,796/125,680
  6. Step 6: Final answer
    x = 555,753.42

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.