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Finding the Third Proportional to 1,869,743,288 and 3,998,847,088

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Solution

The third proportional to 1,869,743,288 and 3,998,847,088 is: 8,552,392,264.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,743,288 : 3,998,847,088 = 3,998,847,088 : x
  2. Step 2: Convert to fraction form
    1,869,743,288/3,998,847,088 = 3,998,847,088/x
  3. Step 3: Cross multiply
    1,869,743,288x = 3,998,847,088 × 3,998,847,088
  4. Step 4: Simplify right side
    1,869,743,288x = 15,990,778,033,206,079,488
  5. Step 5: Solve for x
    x = 15,990,778,033,206,079,488/1,869,743,288
  6. Step 6: Final answer
    x = 8,552,392,264.67

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.