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Finding the Third Proportional to 73,550 and 103,629

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Solution

The third proportional to 73,550 and 103,629 is: 146,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,550 : 103,629 = 103,629 : x
  2. Step 2: Convert to fraction form
    73,550/103,629 = 103,629/x
  3. Step 3: Cross multiply
    73,550x = 103,629 × 103,629
  4. Step 4: Simplify right side
    73,550x = 10,738,969,641
  5. Step 5: Solve for x
    x = 10,738,969,641/73,550
  6. Step 6: Final answer
    x = 146,009.10

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.