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Finding the Third Proportional to 18,816 and 34,944

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Solution

The third proportional to 18,816 and 34,944 is: 64,896

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816 : 34,944 = 34,944 : x
  2. Step 2: Convert to fraction form
    18,816/34,944 = 34,944/x
  3. Step 3: Cross multiply
    18,816x = 34,944 × 34,944
  4. Step 4: Simplify right side
    18,816x = 1,221,083,136
  5. Step 5: Solve for x
    x = 1,221,083,136/18,816
  6. Step 6: Final answer
    x = 64,896

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.