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Finding the Third Proportional to 197,388 and 434,133

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Solution

The third proportional to 197,388 and 434,133 is: 954,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,388 : 434,133 = 434,133 : x
  2. Step 2: Convert to fraction form
    197,388/434,133 = 434,133/x
  3. Step 3: Cross multiply
    197,388x = 434,133 × 434,133
  4. Step 4: Simplify right side
    197,388x = 188,471,461,689
  5. Step 5: Solve for x
    x = 188,471,461,689/197,388
  6. Step 6: Final answer
    x = 954,827.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.