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Finding the Third Proportional to 55,242 and 73,629

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Solution

The third proportional to 55,242 and 73,629 is: 98,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242 : 73,629 = 73,629 : x
  2. Step 2: Convert to fraction form
    55,242/73,629 = 73,629/x
  3. Step 3: Cross multiply
    55,242x = 73,629 × 73,629
  4. Step 4: Simplify right side
    55,242x = 5,421,229,641
  5. Step 5: Solve for x
    x = 5,421,229,641/55,242
  6. Step 6: Final answer
    x = 98,136.01

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.