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Finding the Third Proportional to 149,515.50 and 222,130.50

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Solution

The third proportional to 149,515.50 and 222,130.50 is: 330,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,515.50 : 222,130.50 = 222,130.50 : x
  2. Step 2: Convert to fraction form
    149,515.50/222,130.50 = 222,130.50/x
  3. Step 3: Cross multiply
    149,515.50x = 222,130.50 × 222,130.50
  4. Step 4: Simplify right side
    149,515.50x = 49,341,959,030.25
  5. Step 5: Solve for x
    x = 49,341,959,030.25/149,515.50
  6. Step 6: Final answer
    x = 330,012.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.