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Finding the Third Proportional to 6,626 and 9,430

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Solution

The third proportional to 6,626 and 9,430 is: 13,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626 : 9,430 = 9,430 : x
  2. Step 2: Convert to fraction form
    6,626/9,430 = 9,430/x
  3. Step 3: Cross multiply
    6,626x = 9,430 × 9,430
  4. Step 4: Simplify right side
    6,626x = 88,924,900
  5. Step 5: Solve for x
    x = 88,924,900/6,626
  6. Step 6: Final answer
    x = 13,420.60

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.