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Finding the Third Proportional to 47,648.25 and 66,936.38

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Solution

The third proportional to 47,648.25 and 66,936.38 is: 94,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648.25 : 66,936.38 = 66,936.38 : x
  2. Step 2: Convert to fraction form
    47,648.25/66,936.38 = 66,936.38/x
  3. Step 3: Cross multiply
    47,648.25x = 66,936.38 × 66,936.38
  4. Step 4: Simplify right side
    47,648.25x = 4,480,478,298.14
  5. Step 5: Solve for x
    x = 4,480,478,298.14/47,648.25
  6. Step 6: Final answer
    x = 94,032.38

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.