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Finding the Third Proportional to 74,992.50 and 116,073

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Solution

The third proportional to 74,992.50 and 116,073 is: 179,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,992.50 : 116,073 = 116,073 : x
  2. Step 2: Convert to fraction form
    74,992.50/116,073 = 116,073/x
  3. Step 3: Cross multiply
    74,992.50x = 116,073 × 116,073
  4. Step 4: Simplify right side
    74,992.50x = 13,472,941,329
  5. Step 5: Solve for x
    x = 13,472,941,329/74,992.50
  6. Step 6: Final answer
    x = 179,657.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.