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Finding the Third Proportional to 122,762 and 268,944

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Solution

The third proportional to 122,762 and 268,944 is: 589,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,762 : 268,944 = 268,944 : x
  2. Step 2: Convert to fraction form
    122,762/268,944 = 268,944/x
  3. Step 3: Cross multiply
    122,762x = 268,944 × 268,944
  4. Step 4: Simplify right side
    122,762x = 72,330,875,136
  5. Step 5: Solve for x
    x = 72,330,875,136/122,762
  6. Step 6: Final answer
    x = 589,195.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.