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Finding the Third Proportional to 34,778 and 52,330

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Solution

The third proportional to 34,778 and 52,330 is: 78,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778 : 52,330 = 52,330 : x
  2. Step 2: Convert to fraction form
    34,778/52,330 = 52,330/x
  3. Step 3: Cross multiply
    34,778x = 52,330 × 52,330
  4. Step 4: Simplify right side
    34,778x = 2,738,428,900
  5. Step 5: Solve for x
    x = 2,738,428,900/34,778
  6. Step 6: Final answer
    x = 78,740.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.