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Finding the Third Proportional to 21,127 and 44,947

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Solution

The third proportional to 21,127 and 44,947 is: 95,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127 : 44,947 = 44,947 : x
  2. Step 2: Convert to fraction form
    21,127/44,947 = 44,947/x
  3. Step 3: Cross multiply
    21,127x = 44,947 × 44,947
  4. Step 4: Simplify right side
    21,127x = 2,020,232,809
  5. Step 5: Solve for x
    x = 2,020,232,809/21,127
  6. Step 6: Final answer
    x = 95,623.27

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.