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Finding the Third Proportional to 276,400 and 602,828

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Solution

The third proportional to 276,400 and 602,828 is: 1,314,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,400 : 602,828 = 602,828 : x
  2. Step 2: Convert to fraction form
    276,400/602,828 = 602,828/x
  3. Step 3: Cross multiply
    276,400x = 602,828 × 602,828
  4. Step 4: Simplify right side
    276,400x = 363,401,597,584
  5. Step 5: Solve for x
    x = 363,401,597,584/276,400
  6. Step 6: Final answer
    x = 1,314,767.00

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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.