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Finding the Third Proportional to 74,036 and 117,615

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Solution

The third proportional to 74,036 and 117,615 is: 186,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,036 : 117,615 = 117,615 : x
  2. Step 2: Convert to fraction form
    74,036/117,615 = 117,615/x
  3. Step 3: Cross multiply
    74,036x = 117,615 × 117,615
  4. Step 4: Simplify right side
    74,036x = 13,833,288,225
  5. Step 5: Solve for x
    x = 13,833,288,225/74,036
  6. Step 6: Final answer
    x = 186,845.43

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.