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Finding the Third Proportional to 20,119 and 30,043

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Solution

The third proportional to 20,119 and 30,043 is: 44,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119 : 30,043 = 30,043 : x
  2. Step 2: Convert to fraction form
    20,119/30,043 = 30,043/x
  3. Step 3: Cross multiply
    20,119x = 30,043 × 30,043
  4. Step 4: Simplify right side
    20,119x = 902,581,849
  5. Step 5: Solve for x
    x = 902,581,849/20,119
  6. Step 6: Final answer
    x = 44,862.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.