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Finding the Third Proportional to 3,575 and 7,763

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Solution

The third proportional to 3,575 and 7,763 is: 16,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575 : 7,763 = 7,763 : x
  2. Step 2: Convert to fraction form
    3,575/7,763 = 7,763/x
  3. Step 3: Cross multiply
    3,575x = 7,763 × 7,763
  4. Step 4: Simplify right side
    3,575x = 60,264,169
  5. Step 5: Solve for x
    x = 60,264,169/3,575
  6. Step 6: Final answer
    x = 16,857.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.