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Finding the Third Proportional to 54,623 and 73,800

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Solution

The third proportional to 54,623 and 73,800 is: 99,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623 : 73,800 = 73,800 : x
  2. Step 2: Convert to fraction form
    54,623/73,800 = 73,800/x
  3. Step 3: Cross multiply
    54,623x = 73,800 × 73,800
  4. Step 4: Simplify right side
    54,623x = 5,446,440,000
  5. Step 5: Solve for x
    x = 5,446,440,000/54,623
  6. Step 6: Final answer
    x = 99,709.65

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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.