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Finding the Third Proportional to 197,958.25 and 432,215.50

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Solution

The third proportional to 197,958.25 and 432,215.50 is: 943,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,958.25 : 432,215.50 = 432,215.50 : x
  2. Step 2: Convert to fraction form
    197,958.25/432,215.50 = 432,215.50/x
  3. Step 3: Cross multiply
    197,958.25x = 432,215.50 × 432,215.50
  4. Step 4: Simplify right side
    197,958.25x = 186,810,238,440.25
  5. Step 5: Solve for x
    x = 186,810,238,440.25/197,958.25
  6. Step 6: Final answer
    x = 943,685.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.