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Finding the Third Proportional to 21,030 and 44,006

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Solution

The third proportional to 21,030 and 44,006 is: 92,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030 : 44,006 = 44,006 : x
  2. Step 2: Convert to fraction form
    21,030/44,006 = 44,006/x
  3. Step 3: Cross multiply
    21,030x = 44,006 × 44,006
  4. Step 4: Simplify right side
    21,030x = 1,936,528,036
  5. Step 5: Solve for x
    x = 1,936,528,036/21,030
  6. Step 6: Final answer
    x = 92,084.07

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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.