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Finding the Third Proportional to 47,848 and 97,640

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Solution

The third proportional to 47,848 and 97,640 is: 199,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,848 : 97,640 = 97,640 : x
  2. Step 2: Convert to fraction form
    47,848/97,640 = 97,640/x
  3. Step 3: Cross multiply
    47,848x = 97,640 × 97,640
  4. Step 4: Simplify right side
    47,848x = 9,533,569,600
  5. Step 5: Solve for x
    x = 9,533,569,600/47,848
  6. Step 6: Final answer
    x = 199,246.98

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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.