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Finding the Third Proportional to 72,041.25 and 115,751.25

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Solution

The third proportional to 72,041.25 and 115,751.25 is: 185,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,041.25 : 115,751.25 = 115,751.25 : x
  2. Step 2: Convert to fraction form
    72,041.25/115,751.25 = 115,751.25/x
  3. Step 3: Cross multiply
    72,041.25x = 115,751.25 × 115,751.25
  4. Step 4: Simplify right side
    72,041.25x = 13,398,351,876.56
  5. Step 5: Solve for x
    x = 13,398,351,876.56/72,041.25
  6. Step 6: Final answer
    x = 185,981.67

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.