Home / 387,255,469,907.25-828,911,128,759.50

Finding the Third Proportional to 387,255,469,907.25 and 828,911,128,759.50

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Solution

The third proportional to 387,255,469,907.25 and 828,911,128,759.50 is: 1,774,264,568,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,255,469,907.25 : 828,911,128,759.50 = 828,911,128,759.50 : x
  2. Step 2: Convert to fraction form
    387,255,469,907.25/828,911,128,759.50 = 828,911,128,759.50/x
  3. Step 3: Cross multiply
    387,255,469,907.25x = 828,911,128,759.50 × 828,911,128,759.50
  4. Step 4: Simplify right side
    387,255,469,907.25x = 687,093,659,381,348,373,102,592
  5. Step 5: Solve for x
    x = 687,093,659,381,348,373,102,592/387,255,469,907.25
  6. Step 6: Final answer
    x = 1,774,264,568,931.49

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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.