Home / 133,058-206,420

Finding the Third Proportional to 133,058 and 206,420

Calculator

Solution

The third proportional to 133,058 and 206,420 is: 320,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058 : 206,420 = 206,420 : x
  2. Step 2: Convert to fraction form
    133,058/206,420 = 206,420/x
  3. Step 3: Cross multiply
    133,058x = 206,420 × 206,420
  4. Step 4: Simplify right side
    133,058x = 42,609,216,400
  5. Step 5: Solve for x
    x = 42,609,216,400/133,058
  6. Step 6: Final answer
    x = 320,230.40

Related Problems

Find third proportional to 66,529 and 103,210
Half scale
Find third proportional to 266,116 and 412,840
Double scale
Find third proportional to 133,060 and 206,423
Similar ratio
Find third proportional to 199,587 and 309,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.