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Finding the Third Proportional to 1,359,432,891 and 2,099,202,219

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Solution

The third proportional to 1,359,432,891 and 2,099,202,219 is: 3,241,535,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,432,891 : 2,099,202,219 = 2,099,202,219 : x
  2. Step 2: Convert to fraction form
    1,359,432,891/2,099,202,219 = 2,099,202,219/x
  3. Step 3: Cross multiply
    1,359,432,891x = 2,099,202,219 × 2,099,202,219
  4. Step 4: Simplify right side
    1,359,432,891x = 4,406,649,956,254,523,904
  5. Step 5: Solve for x
    x = 4,406,649,956,254,523,904/1,359,432,891
  6. Step 6: Final answer
    x = 3,241,535,485.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.