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Finding the Third Proportional to 21,276.75 and 46,371

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Solution

The third proportional to 21,276.75 and 46,371 is: 101,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276.75 : 46,371 = 46,371 : x
  2. Step 2: Convert to fraction form
    21,276.75/46,371 = 46,371/x
  3. Step 3: Cross multiply
    21,276.75x = 46,371 × 46,371
  4. Step 4: Simplify right side
    21,276.75x = 2,150,269,641
  5. Step 5: Solve for x
    x = 2,150,269,641/21,276.75
  6. Step 6: Final answer
    x = 101,061.94

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.