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Finding the Third Proportional to 197,319.75 and 427,903.50

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Solution

The third proportional to 197,319.75 and 427,903.50 is: 927,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,319.75 : 427,903.50 = 427,903.50 : x
  2. Step 2: Convert to fraction form
    197,319.75/427,903.50 = 427,903.50/x
  3. Step 3: Cross multiply
    197,319.75x = 427,903.50 × 427,903.50
  4. Step 4: Simplify right side
    197,319.75x = 183,101,405,312.25
  5. Step 5: Solve for x
    x = 183,101,405,312.25/197,319.75
  6. Step 6: Final answer
    x = 927,942.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.