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Finding the Third Proportional to 122,709 and 264,750

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Solution

The third proportional to 122,709 and 264,750 is: 571,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,709 : 264,750 = 264,750 : x
  2. Step 2: Convert to fraction form
    122,709/264,750 = 264,750/x
  3. Step 3: Cross multiply
    122,709x = 264,750 × 264,750
  4. Step 4: Simplify right side
    122,709x = 70,092,562,500
  5. Step 5: Solve for x
    x = 70,092,562,500/122,709
  6. Step 6: Final answer
    x = 571,209.63

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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.