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Finding the Third Proportional to 1,954,129.50 and 4,244,655.56

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Solution

The third proportional to 1,954,129.50 and 4,244,655.56 is: 9,220,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,129.50 : 4,244,655.56 = 4,244,655.56 : x
  2. Step 2: Convert to fraction form
    1,954,129.50/4,244,655.56 = 4,244,655.56/x
  3. Step 3: Cross multiply
    1,954,129.50x = 4,244,655.56 × 4,244,655.56
  4. Step 4: Simplify right side
    1,954,129.50x = 18,017,100,844,262.19
  5. Step 5: Solve for x
    x = 18,017,100,844,262.19/1,954,129.50
  6. Step 6: Final answer
    x = 9,220,013.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.