Home / 259,040,650-422,945,289

Finding the Third Proportional to 259,040,650 and 422,945,289

Calculator

Solution

The third proportional to 259,040,650 and 422,945,289 is: 690,558,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,040,650 : 422,945,289 = 422,945,289 : x
  2. Step 2: Convert to fraction form
    259,040,650/422,945,289 = 422,945,289/x
  3. Step 3: Cross multiply
    259,040,650x = 422,945,289 × 422,945,289
  4. Step 4: Simplify right side
    259,040,650x = 178,882,717,487,293,536
  5. Step 5: Solve for x
    x = 178,882,717,487,293,536/259,040,650
  6. Step 6: Final answer
    x = 690,558,479.87

Related Problems

Find third proportional to 129,520,325 and 211,472,644.50
Half scale
Find third proportional to 518,081,300 and 845,890,578
Double scale
Find third proportional to 259,040,652 and 422,945,292
Similar ratio
Find third proportional to 388,560,975 and 634,417,933.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.