Home / 258,864-347,868

Finding the Third Proportional to 258,864 and 347,868

Calculator

Solution

The third proportional to 258,864 and 347,868 is: 467,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,864 : 347,868 = 347,868 : x
  2. Step 2: Convert to fraction form
    258,864/347,868 = 347,868/x
  3. Step 3: Cross multiply
    258,864x = 347,868 × 347,868
  4. Step 4: Simplify right side
    258,864x = 121,012,145,424
  5. Step 5: Solve for x
    x = 121,012,145,424/258,864
  6. Step 6: Final answer
    x = 467,473.83

Related Problems

Find third proportional to 129,432 and 173,934
Half scale
Find third proportional to 517,728 and 695,736
Double scale
Find third proportional to 258,866 and 347,871
Similar ratio
Find third proportional to 388,296 and 521,802
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.