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Finding the Third Proportional to 98,620.38 and 139,546.94

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Solution

The third proportional to 98,620.38 and 139,546.94 is: 197,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,620.38 : 139,546.94 = 139,546.94 : x
  2. Step 2: Convert to fraction form
    98,620.38/139,546.94 = 139,546.94/x
  3. Step 3: Cross multiply
    98,620.38x = 139,546.94 × 139,546.94
  4. Step 4: Simplify right side
    98,620.38x = 19,473,347,765.63
  5. Step 5: Solve for x
    x = 19,473,347,765.63/98,620.38
  6. Step 6: Final answer
    x = 197,457.65

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.