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Finding the Third Proportional to 13,160 and 18,788

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Solution

The third proportional to 13,160 and 18,788 is: 26,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160 : 18,788 = 18,788 : x
  2. Step 2: Convert to fraction form
    13,160/18,788 = 18,788/x
  3. Step 3: Cross multiply
    13,160x = 18,788 × 18,788
  4. Step 4: Simplify right side
    13,160x = 352,988,944
  5. Step 5: Solve for x
    x = 352,988,944/13,160
  6. Step 6: Final answer
    x = 26,822.87

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.