Home / 206,669-313,117

Finding the Third Proportional to 206,669 and 313,117

Calculator

Solution

The third proportional to 206,669 and 313,117 is: 474,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,669 : 313,117 = 313,117 : x
  2. Step 2: Convert to fraction form
    206,669/313,117 = 313,117/x
  3. Step 3: Cross multiply
    206,669x = 313,117 × 313,117
  4. Step 4: Simplify right side
    206,669x = 98,042,255,689
  5. Step 5: Solve for x
    x = 98,042,255,689/206,669
  6. Step 6: Final answer
    x = 474,392.66

Related Problems

Find third proportional to 103,334.50 and 156,558.50
Half scale
Find third proportional to 413,338 and 626,234
Double scale
Find third proportional to 206,671 and 313,120
Similar ratio
Find third proportional to 310,003.50 and 469,675.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.