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Finding the Third Proportional to 118,391 and 260,110

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Solution

The third proportional to 118,391 and 260,110 is: 571,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,391 : 260,110 = 260,110 : x
  2. Step 2: Convert to fraction form
    118,391/260,110 = 260,110/x
  3. Step 3: Cross multiply
    118,391x = 260,110 × 260,110
  4. Step 4: Simplify right side
    118,391x = 67,657,212,100
  5. Step 5: Solve for x
    x = 67,657,212,100/118,391
  6. Step 6: Final answer
    x = 571,472.60

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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.