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Finding the Third Proportional to 98,144 and 155,660

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Solution

The third proportional to 98,144 and 155,660 is: 246,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,144 : 155,660 = 155,660 : x
  2. Step 2: Convert to fraction form
    98,144/155,660 = 155,660/x
  3. Step 3: Cross multiply
    98,144x = 155,660 × 155,660
  4. Step 4: Simplify right side
    98,144x = 24,230,035,600
  5. Step 5: Solve for x
    x = 24,230,035,600/98,144
  6. Step 6: Final answer
    x = 246,882.50

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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.