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Finding the Third Proportional to 118,401 and 260,130

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Solution

The third proportional to 118,401 and 260,130 is: 571,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,401 : 260,130 = 260,130 : x
  2. Step 2: Convert to fraction form
    118,401/260,130 = 260,130/x
  3. Step 3: Cross multiply
    118,401x = 260,130 × 260,130
  4. Step 4: Simplify right side
    118,401x = 67,667,616,900
  5. Step 5: Solve for x
    x = 67,667,616,900/118,401
  6. Step 6: Final answer
    x = 571,512.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.