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Finding the Third Proportional to 5,607 and 7,677

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Solution

The third proportional to 5,607 and 7,677 is: 10,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607 : 7,677 = 7,677 : x
  2. Step 2: Convert to fraction form
    5,607/7,677 = 7,677/x
  3. Step 3: Cross multiply
    5,607x = 7,677 × 7,677
  4. Step 4: Simplify right side
    5,607x = 58,936,329
  5. Step 5: Solve for x
    x = 58,936,329/5,607
  6. Step 6: Final answer
    x = 10,511.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.