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Finding the Third Proportional to 125,278 and 269,944

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Solution

The third proportional to 125,278 and 269,944 is: 581,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,278 : 269,944 = 269,944 : x
  2. Step 2: Convert to fraction form
    125,278/269,944 = 269,944/x
  3. Step 3: Cross multiply
    125,278x = 269,944 × 269,944
  4. Step 4: Simplify right side
    125,278x = 72,869,763,136
  5. Step 5: Solve for x
    x = 72,869,763,136/125,278
  6. Step 6: Final answer
    x = 581,664.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.