Home / 81,582-180,660

Finding the Third Proportional to 81,582 and 180,660

Calculator

Solution

The third proportional to 81,582 and 180,660 is: 400,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,582 : 180,660 = 180,660 : x
  2. Step 2: Convert to fraction form
    81,582/180,660 = 180,660/x
  3. Step 3: Cross multiply
    81,582x = 180,660 × 180,660
  4. Step 4: Simplify right side
    81,582x = 32,638,035,600
  5. Step 5: Solve for x
    x = 32,638,035,600/81,582
  6. Step 6: Final answer
    x = 400,064.18

Related Problems

Find third proportional to 40,791 and 90,330
Half scale
Find third proportional to 163,164 and 361,320
Double scale
Find third proportional to 81,584 and 180,664
Similar ratio
Find third proportional to 122,373 and 270,990
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.