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Finding the Third Proportional to 69,961.50 and 104,971.50

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Solution

The third proportional to 69,961.50 and 104,971.50 is: 157,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.50 : 104,971.50 = 104,971.50 : x
  2. Step 2: Convert to fraction form
    69,961.50/104,971.50 = 104,971.50/x
  3. Step 3: Cross multiply
    69,961.50x = 104,971.50 × 104,971.50
  4. Step 4: Simplify right side
    69,961.50x = 11,019,015,812.25
  5. Step 5: Solve for x
    x = 11,019,015,812.25/69,961.50
  6. Step 6: Final answer
    x = 157,501.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.