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Finding the Third Proportional to 153,449.44 and 333,142.88

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Solution

The third proportional to 153,449.44 and 333,142.88 is: 723,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,449.44 : 333,142.88 = 333,142.88 : x
  2. Step 2: Convert to fraction form
    153,449.44/333,142.88 = 333,142.88/x
  3. Step 3: Cross multiply
    153,449.44x = 333,142.88 × 333,142.88
  4. Step 4: Simplify right side
    153,449.44x = 110,984,175,163.27
  5. Step 5: Solve for x
    x = 110,984,175,163.27/153,449.44
  6. Step 6: Final answer
    x = 723,262.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.