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Finding the Third Proportional to 34,730 and 74,734

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Solution

The third proportional to 34,730 and 74,734 is: 160,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,730 : 74,734 = 74,734 : x
  2. Step 2: Convert to fraction form
    34,730/74,734 = 74,734/x
  3. Step 3: Cross multiply
    34,730x = 74,734 × 74,734
  4. Step 4: Simplify right side
    34,730x = 5,585,170,756
  5. Step 5: Solve for x
    x = 5,585,170,756/34,730
  6. Step 6: Final answer
    x = 160,816.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.