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Finding the Third Proportional to 4,775 and 10,491.50

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Solution

The third proportional to 4,775 and 10,491.50 is: 23,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775 : 10,491.50 = 10,491.50 : x
  2. Step 2: Convert to fraction form
    4,775/10,491.50 = 10,491.50/x
  3. Step 3: Cross multiply
    4,775x = 10,491.50 × 10,491.50
  4. Step 4: Simplify right side
    4,775x = 110,071,572.25
  5. Step 5: Solve for x
    x = 110,071,572.25/4,775
  6. Step 6: Final answer
    x = 23,051.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.