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Finding the Third Proportional to 43,999.50 and 72,232.50

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Solution

The third proportional to 43,999.50 and 72,232.50 is: 118,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.50 : 72,232.50 = 72,232.50 : x
  2. Step 2: Convert to fraction form
    43,999.50/72,232.50 = 72,232.50/x
  3. Step 3: Cross multiply
    43,999.50x = 72,232.50 × 72,232.50
  4. Step 4: Simplify right side
    43,999.50x = 5,217,534,056.25
  5. Step 5: Solve for x
    x = 5,217,534,056.25/43,999.50
  6. Step 6: Final answer
    x = 118,581.67

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.