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Finding the Third Proportional to 111,028.13 and 168,619.13

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Solution

The third proportional to 111,028.13 and 168,619.13 is: 256,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.13 : 168,619.13 = 168,619.13 : x
  2. Step 2: Convert to fraction form
    111,028.13/168,619.13 = 168,619.13/x
  3. Step 3: Cross multiply
    111,028.13x = 168,619.13 × 168,619.13
  4. Step 4: Simplify right side
    111,028.13x = 28,432,409,315.77
  5. Step 5: Solve for x
    x = 28,432,409,315.77/111,028.13
  6. Step 6: Final answer
    x = 256,082.95

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.