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Finding the Third Proportional to 8,896 and 12,588

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Solution

The third proportional to 8,896 and 12,588 is: 17,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896 : 12,588 = 12,588 : x
  2. Step 2: Convert to fraction form
    8,896/12,588 = 12,588/x
  3. Step 3: Cross multiply
    8,896x = 12,588 × 12,588
  4. Step 4: Simplify right side
    8,896x = 158,457,744
  5. Step 5: Solve for x
    x = 158,457,744/8,896
  6. Step 6: Final answer
    x = 17,812.25

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.