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Finding the Third Proportional to 189,418 and 294,087

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Solution

The third proportional to 189,418 and 294,087 is: 456,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,418 : 294,087 = 294,087 : x
  2. Step 2: Convert to fraction form
    189,418/294,087 = 294,087/x
  3. Step 3: Cross multiply
    189,418x = 294,087 × 294,087
  4. Step 4: Simplify right side
    189,418x = 86,487,163,569
  5. Step 5: Solve for x
    x = 86,487,163,569/189,418
  6. Step 6: Final answer
    x = 456,594.22

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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.