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Finding the Third Proportional to 273,632 and 409,347

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Solution

The third proportional to 273,632 and 409,347 is: 612,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,632 : 409,347 = 409,347 : x
  2. Step 2: Convert to fraction form
    273,632/409,347 = 409,347/x
  3. Step 3: Cross multiply
    273,632x = 409,347 × 409,347
  4. Step 4: Simplify right side
    273,632x = 167,564,966,409
  5. Step 5: Solve for x
    x = 167,564,966,409/273,632
  6. Step 6: Final answer
    x = 612,373.43

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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.