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Finding the Third Proportional to 70,891.88 and 153,420.75

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Solution

The third proportional to 70,891.88 and 153,420.75 is: 332,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,891.88 : 153,420.75 = 153,420.75 : x
  2. Step 2: Convert to fraction form
    70,891.88/153,420.75 = 153,420.75/x
  3. Step 3: Cross multiply
    70,891.88x = 153,420.75 × 153,420.75
  4. Step 4: Simplify right side
    70,891.88x = 23,537,926,530.56
  5. Step 5: Solve for x
    x = 23,537,926,530.56/70,891.88
  6. Step 6: Final answer
    x = 332,025.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.