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Finding the Third Proportional to 8,916 and 16,056

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Solution

The third proportional to 8,916 and 16,056 is: 28,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916 : 16,056 = 16,056 : x
  2. Step 2: Convert to fraction form
    8,916/16,056 = 16,056/x
  3. Step 3: Cross multiply
    8,916x = 16,056 × 16,056
  4. Step 4: Simplify right side
    8,916x = 257,795,136
  5. Step 5: Solve for x
    x = 257,795,136/8,916
  6. Step 6: Final answer
    x = 28,913.77

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.