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Finding the Third Proportional to 189,904 and 294,036

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Solution

The third proportional to 189,904 and 294,036 is: 455,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,904 : 294,036 = 294,036 : x
  2. Step 2: Convert to fraction form
    189,904/294,036 = 294,036/x
  3. Step 3: Cross multiply
    189,904x = 294,036 × 294,036
  4. Step 4: Simplify right side
    189,904x = 86,457,169,296
  5. Step 5: Solve for x
    x = 86,457,169,296/189,904
  6. Step 6: Final answer
    x = 455,267.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.