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Finding the Third Proportional to 30,739 and 44,425.50

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Solution

The third proportional to 30,739 and 44,425.50 is: 64,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739 : 44,425.50 = 44,425.50 : x
  2. Step 2: Convert to fraction form
    30,739/44,425.50 = 44,425.50/x
  3. Step 3: Cross multiply
    30,739x = 44,425.50 × 44,425.50
  4. Step 4: Simplify right side
    30,739x = 1,973,625,050.25
  5. Step 5: Solve for x
    x = 1,973,625,050.25/30,739
  6. Step 6: Final answer
    x = 64,205.90

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.