Home / 18,979,365,858.75-40,815,061,018.88

Finding the Third Proportional to 18,979,365,858.75 and 40,815,061,018.88

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Solution

The third proportional to 18,979,365,858.75 and 40,815,061,018.88 is: 87,772,648,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,365,858.75 : 40,815,061,018.88 = 40,815,061,018.88 : x
  2. Step 2: Convert to fraction form
    18,979,365,858.75/40,815,061,018.88 = 40,815,061,018.88/x
  3. Step 3: Cross multiply
    18,979,365,858.75x = 40,815,061,018.88 × 40,815,061,018.88
  4. Step 4: Simplify right side
    18,979,365,858.75x = 1,665,869,205,974,489,497,600
  5. Step 5: Solve for x
    x = 1,665,869,205,974,489,497,600/18,979,365,858.75
  6. Step 6: Final answer
    x = 87,772,648,378.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.