Home / 12,738,490,273.97-18,997,268,687.58

Finding the Third Proportional to 12,738,490,273.97 and 18,997,268,687.58

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Solution

The third proportional to 12,738,490,273.97 and 18,997,268,687.58 is: 28,331,160,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,490,273.97 : 18,997,268,687.58 = 18,997,268,687.58 : x
  2. Step 2: Convert to fraction form
    12,738,490,273.97/18,997,268,687.58 = 18,997,268,687.58/x
  3. Step 3: Cross multiply
    12,738,490,273.97x = 18,997,268,687.58 × 18,997,268,687.58
  4. Step 4: Simplify right side
    12,738,490,273.97x = 360,896,217,587,993,542,656
  5. Step 5: Solve for x
    x = 360,896,217,587,993,542,656/12,738,490,273.97
  6. Step 6: Final answer
    x = 28,331,160,901.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.