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Finding the Third Proportional to 273,732 and 409,492

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Solution

The third proportional to 273,732 and 409,492 is: 612,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,732 : 409,492 = 409,492 : x
  2. Step 2: Convert to fraction form
    273,732/409,492 = 409,492/x
  3. Step 3: Cross multiply
    273,732x = 409,492 × 409,492
  4. Step 4: Simplify right side
    273,732x = 167,683,698,064
  5. Step 5: Solve for x
    x = 167,683,698,064/273,732
  6. Step 6: Final answer
    x = 612,583.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.