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Finding the Third Proportional to 879,888,636 and 1,911,113,424

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Solution

The third proportional to 879,888,636 and 1,911,113,424 is: 4,150,928,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,888,636 : 1,911,113,424 = 1,911,113,424 : x
  2. Step 2: Convert to fraction form
    879,888,636/1,911,113,424 = 1,911,113,424/x
  3. Step 3: Cross multiply
    879,888,636x = 1,911,113,424 × 1,911,113,424
  4. Step 4: Simplify right side
    879,888,636x = 3,652,354,519,393,003,520
  5. Step 5: Solve for x
    x = 3,652,354,519,393,003,520/879,888,636
  6. Step 6: Final answer
    x = 4,150,928,162.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.