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Finding the Third Proportional to 21,423 and 44,862

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Solution

The third proportional to 21,423 and 44,862 is: 93,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423 : 44,862 = 44,862 : x
  2. Step 2: Convert to fraction form
    21,423/44,862 = 44,862/x
  3. Step 3: Cross multiply
    21,423x = 44,862 × 44,862
  4. Step 4: Simplify right side
    21,423x = 2,012,599,044
  5. Step 5: Solve for x
    x = 2,012,599,044/21,423
  6. Step 6: Final answer
    x = 93,945.71

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.