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Finding the Third Proportional to 136,536.75 and 299,315.25

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Solution

The third proportional to 136,536.75 and 299,315.25 is: 656,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,536.75 : 299,315.25 = 299,315.25 : x
  2. Step 2: Convert to fraction form
    136,536.75/299,315.25 = 299,315.25/x
  3. Step 3: Cross multiply
    136,536.75x = 299,315.25 × 299,315.25
  4. Step 4: Simplify right side
    136,536.75x = 89,589,618,882.56
  5. Step 5: Solve for x
    x = 89,589,618,882.56/136,536.75
  6. Step 6: Final answer
    x = 656,157.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.