Home / 38,982-84,200

Finding the Third Proportional to 38,982 and 84,200

Calculator

Solution

The third proportional to 38,982 and 84,200 is: 181,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982 : 84,200 = 84,200 : x
  2. Step 2: Convert to fraction form
    38,982/84,200 = 84,200/x
  3. Step 3: Cross multiply
    38,982x = 84,200 × 84,200
  4. Step 4: Simplify right side
    38,982x = 7,089,640,000
  5. Step 5: Solve for x
    x = 7,089,640,000/38,982
  6. Step 6: Final answer
    x = 181,869.58

Related Problems

Find third proportional to 19,491 and 42,100
Half scale
Find third proportional to 77,964 and 168,400
Double scale
Find third proportional to 38,984 and 84,204
Similar ratio
Find third proportional to 58,473 and 126,300
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.