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Finding the Third Proportional to 4,626 and 9,913

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Solution

The third proportional to 4,626 and 9,913 is: 21,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626 : 9,913 = 9,913 : x
  2. Step 2: Convert to fraction form
    4,626/9,913 = 9,913/x
  3. Step 3: Cross multiply
    4,626x = 9,913 × 9,913
  4. Step 4: Simplify right side
    4,626x = 98,267,569
  5. Step 5: Solve for x
    x = 98,267,569/4,626
  6. Step 6: Final answer
    x = 21,242.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.