Home / 91,170-196,920

Finding the Third Proportional to 91,170 and 196,920

Calculator

Solution

The third proportional to 91,170 and 196,920 is: 425,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,170 : 196,920 = 196,920 : x
  2. Step 2: Convert to fraction form
    91,170/196,920 = 196,920/x
  3. Step 3: Cross multiply
    91,170x = 196,920 × 196,920
  4. Step 4: Simplify right side
    91,170x = 38,777,486,400
  5. Step 5: Solve for x
    x = 38,777,486,400/91,170
  6. Step 6: Final answer
    x = 425,331.65

Related Problems

Find third proportional to 45,585 and 98,460
Half scale
Find third proportional to 182,340 and 393,840
Double scale
Find third proportional to 91,172 and 196,924
Similar ratio
Find third proportional to 136,755 and 295,380
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.