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Finding the Third Proportional to 30,821 and 44,043

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Solution

The third proportional to 30,821 and 44,043 is: 62,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821 : 44,043 = 44,043 : x
  2. Step 2: Convert to fraction form
    30,821/44,043 = 44,043/x
  3. Step 3: Cross multiply
    30,821x = 44,043 × 44,043
  4. Step 4: Simplify right side
    30,821x = 1,939,785,849
  5. Step 5: Solve for x
    x = 1,939,785,849/30,821
  6. Step 6: Final answer
    x = 62,937.15

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.