Home / 387,645,936.75-850,611,334.50

Finding the Third Proportional to 387,645,936.75 and 850,611,334.50

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Solution

The third proportional to 387,645,936.75 and 850,611,334.50 is: 1,866,496,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,645,936.75 : 850,611,334.50 = 850,611,334.50 : x
  2. Step 2: Convert to fraction form
    387,645,936.75/850,611,334.50 = 850,611,334.50/x
  3. Step 3: Cross multiply
    387,645,936.75x = 850,611,334.50 × 850,611,334.50
  4. Step 4: Simplify right side
    387,645,936.75x = 723,539,642,379,870,848
  5. Step 5: Solve for x
    x = 723,539,642,379,870,848/387,645,936.75
  6. Step 6: Final answer
    x = 1,866,496,134.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.