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Finding the Third Proportional to 921,847,990.21 and 2,027,569,376.56

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Solution

The third proportional to 921,847,990.21 and 2,027,569,376.56 is: 4,459,561,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,847,990.21 : 2,027,569,376.56 = 2,027,569,376.56 : x
  2. Step 2: Convert to fraction form
    921,847,990.21/2,027,569,376.56 = 2,027,569,376.56/x
  3. Step 3: Cross multiply
    921,847,990.21x = 2,027,569,376.56 × 2,027,569,376.56
  4. Step 4: Simplify right side
    921,847,990.21x = 4,111,037,576,753,768,960
  5. Step 5: Solve for x
    x = 4,111,037,576,753,768,960/921,847,990.21
  6. Step 6: Final answer
    x = 4,459,561,251.35

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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.