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Finding the Third Proportional to 4,774 and 9,682.50

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Solution

The third proportional to 4,774 and 9,682.50 is: 19,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774 : 9,682.50 = 9,682.50 : x
  2. Step 2: Convert to fraction form
    4,774/9,682.50 = 9,682.50/x
  3. Step 3: Cross multiply
    4,774x = 9,682.50 × 9,682.50
  4. Step 4: Simplify right side
    4,774x = 93,750,806.25
  5. Step 5: Solve for x
    x = 93,750,806.25/4,774
  6. Step 6: Final answer
    x = 19,637.79

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.