Home / 121,330,919,917.50-263,780,134,990.50

Finding the Third Proportional to 121,330,919,917.50 and 263,780,134,990.50

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Solution

The third proportional to 121,330,919,917.50 and 263,780,134,990.50 is: 573,472,612,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,330,919,917.50 : 263,780,134,990.50 = 263,780,134,990.50 : x
  2. Step 2: Convert to fraction form
    121,330,919,917.50/263,780,134,990.50 = 263,780,134,990.50/x
  3. Step 3: Cross multiply
    121,330,919,917.50x = 263,780,134,990.50 × 263,780,134,990.50
  4. Step 4: Simplify right side
    121,330,919,917.50x = 69,579,959,615,606,405,201,920
  5. Step 5: Solve for x
    x = 69,579,959,615,606,405,201,920/121,330,919,917.50
  6. Step 6: Final answer
    x = 573,472,612,446.34

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1.5x scale

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.