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Finding the Third Proportional to 110,482.50 and 168,939

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Solution

The third proportional to 110,482.50 and 168,939 is: 258,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,482.50 : 168,939 = 168,939 : x
  2. Step 2: Convert to fraction form
    110,482.50/168,939 = 168,939/x
  3. Step 3: Cross multiply
    110,482.50x = 168,939 × 168,939
  4. Step 4: Simplify right side
    110,482.50x = 28,540,385,721
  5. Step 5: Solve for x
    x = 28,540,385,721/110,482.50
  6. Step 6: Final answer
    x = 258,324.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.