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Finding the Third Proportional to 7,178 and 9,607

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Solution

The third proportional to 7,178 and 9,607 is: 12,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178 : 9,607 = 9,607 : x
  2. Step 2: Convert to fraction form
    7,178/9,607 = 9,607/x
  3. Step 3: Cross multiply
    7,178x = 9,607 × 9,607
  4. Step 4: Simplify right side
    7,178x = 92,294,449
  5. Step 5: Solve for x
    x = 92,294,449/7,178
  6. Step 6: Final answer
    x = 12,857.96

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.