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Finding the Third Proportional to 276,220 and 601,644

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Solution

The third proportional to 276,220 and 601,644 is: 1,310,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,220 : 601,644 = 601,644 : x
  2. Step 2: Convert to fraction form
    276,220/601,644 = 601,644/x
  3. Step 3: Cross multiply
    276,220x = 601,644 × 601,644
  4. Step 4: Simplify right side
    276,220x = 361,975,502,736
  5. Step 5: Solve for x
    x = 361,975,502,736/276,220
  6. Step 6: Final answer
    x = 1,310,460.87

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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.