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Finding the Third Proportional to 276,270 and 602,508

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Solution

The third proportional to 276,270 and 602,508 is: 1,313,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,270 : 602,508 = 602,508 : x
  2. Step 2: Convert to fraction form
    276,270/602,508 = 602,508/x
  3. Step 3: Cross multiply
    276,270x = 602,508 × 602,508
  4. Step 4: Simplify right side
    276,270x = 363,015,890,064
  5. Step 5: Solve for x
    x = 363,015,890,064/276,270
  6. Step 6: Final answer
    x = 1,313,989.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.