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Finding the Third Proportional to 30,840 and 44,069

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Solution

The third proportional to 30,840 and 44,069 is: 62,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840 : 44,069 = 44,069 : x
  2. Step 2: Convert to fraction form
    30,840/44,069 = 44,069/x
  3. Step 3: Cross multiply
    30,840x = 44,069 × 44,069
  4. Step 4: Simplify right side
    30,840x = 1,942,076,761
  5. Step 5: Solve for x
    x = 1,942,076,761/30,840
  6. Step 6: Final answer
    x = 62,972.66

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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.