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Finding the Third Proportional to 100,170 and 134,932.50

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Solution

The third proportional to 100,170 and 134,932.50 is: 181,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,170 : 134,932.50 = 134,932.50 : x
  2. Step 2: Convert to fraction form
    100,170/134,932.50 = 134,932.50/x
  3. Step 3: Cross multiply
    100,170x = 134,932.50 × 134,932.50
  4. Step 4: Simplify right side
    100,170x = 18,206,779,556.25
  5. Step 5: Solve for x
    x = 18,206,779,556.25/100,170
  6. Step 6: Final answer
    x = 181,758.81

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.