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Finding the Third Proportional to 21,262 and 46,816

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Solution

The third proportional to 21,262 and 46,816 is: 103,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262 : 46,816 = 46,816 : x
  2. Step 2: Convert to fraction form
    21,262/46,816 = 46,816/x
  3. Step 3: Cross multiply
    21,262x = 46,816 × 46,816
  4. Step 4: Simplify right side
    21,262x = 2,191,737,856
  5. Step 5: Solve for x
    x = 2,191,737,856/21,262
  6. Step 6: Final answer
    x = 103,082.39

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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.