Home / 133,080-206,628

Finding the Third Proportional to 133,080 and 206,628

Calculator

Solution

The third proportional to 133,080 and 206,628 is: 320,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,080 : 206,628 = 206,628 : x
  2. Step 2: Convert to fraction form
    133,080/206,628 = 206,628/x
  3. Step 3: Cross multiply
    133,080x = 206,628 × 206,628
  4. Step 4: Simplify right side
    133,080x = 42,695,130,384
  5. Step 5: Solve for x
    x = 42,695,130,384/133,080
  6. Step 6: Final answer
    x = 320,823.04

Related Problems

Find third proportional to 66,540 and 103,314
Half scale
Find third proportional to 266,160 and 413,256
Double scale
Find third proportional to 133,082 and 206,631
Similar ratio
Find third proportional to 199,620 and 309,942
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.