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Finding the Third Proportional to 605,378.81 and 1,328,837.91

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Solution

The third proportional to 605,378.81 and 1,328,837.91 is: 2,916,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,378.81 : 1,328,837.91 = 1,328,837.91 : x
  2. Step 2: Convert to fraction form
    605,378.81/1,328,837.91 = 1,328,837.91/x
  3. Step 3: Cross multiply
    605,378.81x = 1,328,837.91 × 1,328,837.91
  4. Step 4: Simplify right side
    605,378.81x = 1,765,810,181,086.88
  5. Step 5: Solve for x
    x = 1,765,810,181,086.88/605,378.81
  6. Step 6: Final answer
    x = 2,916,868.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.