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Finding the Third Proportional to 74,827.75 and 112,243.75

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Solution

The third proportional to 74,827.75 and 112,243.75 is: 168,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,827.75 : 112,243.75 = 112,243.75 : x
  2. Step 2: Convert to fraction form
    74,827.75/112,243.75 = 112,243.75/x
  3. Step 3: Cross multiply
    74,827.75x = 112,243.75 × 112,243.75
  4. Step 4: Simplify right side
    74,827.75x = 12,598,659,414.06
  5. Step 5: Solve for x
    x = 12,598,659,414.06/74,827.75
  6. Step 6: Final answer
    x = 168,368.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.