Home / 296,779-699,881

Finding the Third Proportional to 296,779 and 699,881

Calculator

Solution

The third proportional to 296,779 and 699,881 is: 1,650,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,779 : 699,881 = 699,881 : x
  2. Step 2: Convert to fraction form
    296,779/699,881 = 699,881/x
  3. Step 3: Cross multiply
    296,779x = 699,881 × 699,881
  4. Step 4: Simplify right side
    296,779x = 489,833,414,161
  5. Step 5: Solve for x
    x = 489,833,414,161/296,779
  6. Step 6: Final answer
    x = 1,650,498.90

Related Problems

Find third proportional to 148,389.50 and 349,940.50
Half scale
Find third proportional to 593,558 and 1,399,762
Double scale
Find third proportional to 296,781 and 699,886
Similar ratio
Find third proportional to 445,168.50 and 1,049,821.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.