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Finding the Third Proportional to 1,276,291,818 and 2,776,203,252

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Solution

The third proportional to 1,276,291,818 and 2,776,203,252 is: 6,038,826,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,291,818 : 2,776,203,252 = 2,776,203,252 : x
  2. Step 2: Convert to fraction form
    1,276,291,818/2,776,203,252 = 2,776,203,252/x
  3. Step 3: Cross multiply
    1,276,291,818x = 2,776,203,252 × 2,776,203,252
  4. Step 4: Simplify right side
    1,276,291,818x = 7,707,304,496,415,375,360
  5. Step 5: Solve for x
    x = 7,707,304,496,415,375,360/1,276,291,818
  6. Step 6: Final answer
    x = 6,038,826,221.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.