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Finding the Third Proportional to 276,873.19 and 604,990.69

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Solution

The third proportional to 276,873.19 and 604,990.69 is: 1,321,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,873.19 : 604,990.69 = 604,990.69 : x
  2. Step 2: Convert to fraction form
    276,873.19/604,990.69 = 604,990.69/x
  3. Step 3: Cross multiply
    276,873.19x = 604,990.69 × 604,990.69
  4. Step 4: Simplify right side
    276,873.19x = 366,013,731,961.72
  5. Step 5: Solve for x
    x = 366,013,731,961.72/276,873.19
  6. Step 6: Final answer
    x = 1,321,954.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.