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Finding the Third Proportional to 74,037.38 and 108,291.94

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Solution

The third proportional to 74,037.38 and 108,291.94 is: 158,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,037.38 : 108,291.94 = 108,291.94 : x
  2. Step 2: Convert to fraction form
    74,037.38/108,291.94 = 108,291.94/x
  3. Step 3: Cross multiply
    74,037.38x = 108,291.94 × 108,291.94
  4. Step 4: Simplify right side
    74,037.38x = 11,727,143,727.50
  5. Step 5: Solve for x
    x = 11,727,143,727.50/74,037.38
  6. Step 6: Final answer
    x = 158,394.92

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.