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Finding the Third Proportional to 45,888 and 100,816

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Solution

The third proportional to 45,888 and 100,816 is: 221,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,888 : 100,816 = 100,816 : x
  2. Step 2: Convert to fraction form
    45,888/100,816 = 100,816/x
  3. Step 3: Cross multiply
    45,888x = 100,816 × 100,816
  4. Step 4: Simplify right side
    45,888x = 10,163,865,856
  5. Step 5: Solve for x
    x = 10,163,865,856/45,888
  6. Step 6: Final answer
    x = 221,492.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.