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Finding the Third Proportional to 21,608 and 46,348

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Solution

The third proportional to 21,608 and 46,348 is: 99,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608 : 46,348 = 46,348 : x
  2. Step 2: Convert to fraction form
    21,608/46,348 = 46,348/x
  3. Step 3: Cross multiply
    21,608x = 46,348 × 46,348
  4. Step 4: Simplify right side
    21,608x = 2,148,137,104
  5. Step 5: Solve for x
    x = 2,148,137,104/21,608
  6. Step 6: Final answer
    x = 99,413.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.