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Finding the Third Proportional to 879,888,571.88 and 1,911,113,306.44

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Solution

The third proportional to 879,888,571.88 and 1,911,113,306.44 is: 4,150,927,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,888,571.88 : 1,911,113,306.44 = 1,911,113,306.44 : x
  2. Step 2: Convert to fraction form
    879,888,571.88/1,911,113,306.44 = 1,911,113,306.44/x
  3. Step 3: Cross multiply
    879,888,571.88x = 1,911,113,306.44 × 1,911,113,306.44
  4. Step 4: Simplify right side
    879,888,571.88x = 3,652,354,070,042,473,984
  5. Step 5: Solve for x
    x = 3,652,354,070,042,473,984/879,888,571.88
  6. Step 6: Final answer
    x = 4,150,927,954.73

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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.