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Finding the Third Proportional to 4,534 and 10,919

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Solution

The third proportional to 4,534 and 10,919 is: 26,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,534 : 10,919 = 10,919 : x
  2. Step 2: Convert to fraction form
    4,534/10,919 = 10,919/x
  3. Step 3: Cross multiply
    4,534x = 10,919 × 10,919
  4. Step 4: Simplify right side
    4,534x = 119,224,561
  5. Step 5: Solve for x
    x = 119,224,561/4,534
  6. Step 6: Final answer
    x = 26,295.67

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.