Home / 77,806-165,980

Finding the Third Proportional to 77,806 and 165,980

Calculator

Solution

The third proportional to 77,806 and 165,980 is: 354,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,806 : 165,980 = 165,980 : x
  2. Step 2: Convert to fraction form
    77,806/165,980 = 165,980/x
  3. Step 3: Cross multiply
    77,806x = 165,980 × 165,980
  4. Step 4: Simplify right side
    77,806x = 27,549,360,400
  5. Step 5: Solve for x
    x = 27,549,360,400/77,806
  6. Step 6: Final answer
    x = 354,077.58

Related Problems

Find third proportional to 38,903 and 82,990
Half scale
Find third proportional to 155,612 and 331,960
Double scale
Find third proportional to 77,808 and 165,984
Similar ratio
Find third proportional to 116,709 and 248,970
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.