Home / 82,515-180,486

Finding the Third Proportional to 82,515 and 180,486

Calculator

Solution

The third proportional to 82,515 and 180,486 is: 394,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,515 : 180,486 = 180,486 : x
  2. Step 2: Convert to fraction form
    82,515/180,486 = 180,486/x
  3. Step 3: Cross multiply
    82,515x = 180,486 × 180,486
  4. Step 4: Simplify right side
    82,515x = 32,575,196,196
  5. Step 5: Solve for x
    x = 32,575,196,196/82,515
  6. Step 6: Final answer
    x = 394,779.08

Related Problems

Find third proportional to 41,257.50 and 90,243
Half scale
Find third proportional to 165,030 and 360,972
Double scale
Find third proportional to 82,517 and 180,490
Similar ratio
Find third proportional to 123,772.50 and 270,729
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.