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Finding the Third Proportional to 276,848.25 and 603,721.50

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Solution

The third proportional to 276,848.25 and 603,721.50 is: 1,316,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,848.25 : 603,721.50 = 603,721.50 : x
  2. Step 2: Convert to fraction form
    276,848.25/603,721.50 = 603,721.50/x
  3. Step 3: Cross multiply
    276,848.25x = 603,721.50 × 603,721.50
  4. Step 4: Simplify right side
    276,848.25x = 364,479,649,562.25
  5. Step 5: Solve for x
    x = 364,479,649,562.25/276,848.25
  6. Step 6: Final answer
    x = 1,316,532.25

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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.