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Finding the Third Proportional to 4,909 and 7,583

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Solution

The third proportional to 4,909 and 7,583 is: 11,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909 : 7,583 = 7,583 : x
  2. Step 2: Convert to fraction form
    4,909/7,583 = 7,583/x
  3. Step 3: Cross multiply
    4,909x = 7,583 × 7,583
  4. Step 4: Simplify right side
    4,909x = 57,501,889
  5. Step 5: Solve for x
    x = 57,501,889/4,909
  6. Step 6: Final answer
    x = 11,713.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.