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Finding the Third Proportional to 149,655.75 and 196,177.50

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Solution

The third proportional to 149,655.75 and 196,177.50 is: 257,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,655.75 : 196,177.50 = 196,177.50 : x
  2. Step 2: Convert to fraction form
    149,655.75/196,177.50 = 196,177.50/x
  3. Step 3: Cross multiply
    149,655.75x = 196,177.50 × 196,177.50
  4. Step 4: Simplify right side
    149,655.75x = 38,485,611,506.25
  5. Step 5: Solve for x
    x = 38,485,611,506.25/149,655.75
  6. Step 6: Final answer
    x = 257,160.93

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.