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Finding the Third Proportional to 75,379.50 and 114,043.50

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Solution

The third proportional to 75,379.50 and 114,043.50 is: 172,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.50 : 114,043.50 = 114,043.50 : x
  2. Step 2: Convert to fraction form
    75,379.50/114,043.50 = 114,043.50/x
  3. Step 3: Cross multiply
    75,379.50x = 114,043.50 × 114,043.50
  4. Step 4: Simplify right side
    75,379.50x = 13,005,919,892.25
  5. Step 5: Solve for x
    x = 13,005,919,892.25/75,379.50
  6. Step 6: Final answer
    x = 172,539.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.