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Finding the Third Proportional to 905,172,501.94 and 1,954,582,027.88

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Solution

The third proportional to 905,172,501.94 and 1,954,582,027.88 is: 4,220,621,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,172,501.94 : 1,954,582,027.88 = 1,954,582,027.88 : x
  2. Step 2: Convert to fraction form
    905,172,501.94/1,954,582,027.88 = 1,954,582,027.88/x
  3. Step 3: Cross multiply
    905,172,501.94x = 1,954,582,027.88 × 1,954,582,027.88
  4. Step 4: Simplify right side
    905,172,501.94x = 3,820,390,903,691,947,520
  5. Step 5: Solve for x
    x = 3,820,390,903,691,947,520/905,172,501.94
  6. Step 6: Final answer
    x = 4,220,621,920.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.