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Finding the Third Proportional to 7,888 and 11,056

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Solution

The third proportional to 7,888 and 11,056 is: 15,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888 : 11,056 = 11,056 : x
  2. Step 2: Convert to fraction form
    7,888/11,056 = 11,056/x
  3. Step 3: Cross multiply
    7,888x = 11,056 × 11,056
  4. Step 4: Simplify right side
    7,888x = 122,235,136
  5. Step 5: Solve for x
    x = 122,235,136/7,888
  6. Step 6: Final answer
    x = 15,496.34

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Why These Related Problems?

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