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Finding the Third Proportional to 125,415 and 194,274

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Solution

The third proportional to 125,415 and 194,274 is: 300,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,415 : 194,274 = 194,274 : x
  2. Step 2: Convert to fraction form
    125,415/194,274 = 194,274/x
  3. Step 3: Cross multiply
    125,415x = 194,274 × 194,274
  4. Step 4: Simplify right side
    125,415x = 37,742,387,076
  5. Step 5: Solve for x
    x = 37,742,387,076/125,415
  6. Step 6: Final answer
    x = 300,939.98

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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.