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Finding the Third Proportional to 30,016.50 and 45,567

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Solution

The third proportional to 30,016.50 and 45,567 is: 69,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.50 : 45,567 = 45,567 : x
  2. Step 2: Convert to fraction form
    30,016.50/45,567 = 45,567/x
  3. Step 3: Cross multiply
    30,016.50x = 45,567 × 45,567
  4. Step 4: Simplify right side
    30,016.50x = 2,076,351,489
  5. Step 5: Solve for x
    x = 2,076,351,489/30,016.50
  6. Step 6: Final answer
    x = 69,173.67

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.