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Finding the Third Proportional to 122,685.75 and 264,156.75

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Solution

The third proportional to 122,685.75 and 264,156.75 is: 568,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,685.75 : 264,156.75 = 264,156.75 : x
  2. Step 2: Convert to fraction form
    122,685.75/264,156.75 = 264,156.75/x
  3. Step 3: Cross multiply
    122,685.75x = 264,156.75 × 264,156.75
  4. Step 4: Simplify right side
    122,685.75x = 69,778,788,570.56
  5. Step 5: Solve for x
    x = 69,778,788,570.56/122,685.75
  6. Step 6: Final answer
    x = 568,760.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.