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Finding the Third Proportional to 98,508 and 156,009

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Solution

The third proportional to 98,508 and 156,009 is: 247,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,508 : 156,009 = 156,009 : x
  2. Step 2: Convert to fraction form
    98,508/156,009 = 156,009/x
  3. Step 3: Cross multiply
    98,508x = 156,009 × 156,009
  4. Step 4: Simplify right side
    98,508x = 24,338,808,081
  5. Step 5: Solve for x
    x = 24,338,808,081/98,508
  6. Step 6: Final answer
    x = 247,074.43

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.