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Finding the Third Proportional to 34,519 and 51,121.50

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Solution

The third proportional to 34,519 and 51,121.50 is: 75,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,519 : 51,121.50 = 51,121.50 : x
  2. Step 2: Convert to fraction form
    34,519/51,121.50 = 51,121.50/x
  3. Step 3: Cross multiply
    34,519x = 51,121.50 × 51,121.50
  4. Step 4: Simplify right side
    34,519x = 2,613,407,762.25
  5. Step 5: Solve for x
    x = 2,613,407,762.25/34,519
  6. Step 6: Final answer
    x = 75,709.25

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.