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Finding the Third Proportional to 98,163 and 155,688

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Solution

The third proportional to 98,163 and 155,688 is: 246,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,163 : 155,688 = 155,688 : x
  2. Step 2: Convert to fraction form
    98,163/155,688 = 155,688/x
  3. Step 3: Cross multiply
    98,163x = 155,688 × 155,688
  4. Step 4: Simplify right side
    98,163x = 24,238,753,344
  5. Step 5: Solve for x
    x = 24,238,753,344/98,163
  6. Step 6: Final answer
    x = 246,923.52

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.