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Finding the Third Proportional to 171,801 and 260,077.50

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Solution

The third proportional to 171,801 and 260,077.50 is: 393,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,801 : 260,077.50 = 260,077.50 : x
  2. Step 2: Convert to fraction form
    171,801/260,077.50 = 260,077.50/x
  3. Step 3: Cross multiply
    171,801x = 260,077.50 × 260,077.50
  4. Step 4: Simplify right side
    171,801x = 67,640,306,006.25
  5. Step 5: Solve for x
    x = 67,640,306,006.25/171,801
  6. Step 6: Final answer
    x = 393,713.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.