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Finding the Third Proportional to 7,219 and 10,078

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Solution

The third proportional to 7,219 and 10,078 is: 14,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219 : 10,078 = 10,078 : x
  2. Step 2: Convert to fraction form
    7,219/10,078 = 10,078/x
  3. Step 3: Cross multiply
    7,219x = 10,078 × 10,078
  4. Step 4: Simplify right side
    7,219x = 101,566,084
  5. Step 5: Solve for x
    x = 101,566,084/7,219
  6. Step 6: Final answer
    x = 14,069.27

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.