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Finding the Third Proportional to 98,750 and 201,172

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Solution

The third proportional to 98,750 and 201,172 is: 409,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,750 : 201,172 = 201,172 : x
  2. Step 2: Convert to fraction form
    98,750/201,172 = 201,172/x
  3. Step 3: Cross multiply
    98,750x = 201,172 × 201,172
  4. Step 4: Simplify right side
    98,750x = 40,470,173,584
  5. Step 5: Solve for x
    x = 40,470,173,584/98,750
  6. Step 6: Final answer
    x = 409,824.54

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.