Home / 134,909-197,989

Finding the Third Proportional to 134,909 and 197,989

Calculator

Solution

The third proportional to 134,909 and 197,989 is: 290,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,909 : 197,989 = 197,989 : x
  2. Step 2: Convert to fraction form
    134,909/197,989 = 197,989/x
  3. Step 3: Cross multiply
    134,909x = 197,989 × 197,989
  4. Step 4: Simplify right side
    134,909x = 39,199,644,121
  5. Step 5: Solve for x
    x = 39,199,644,121/134,909
  6. Step 6: Final answer
    x = 290,563.60

Related Problems

Find third proportional to 67,454.50 and 98,994.50
Half scale
Find third proportional to 269,818 and 395,978
Double scale
Find third proportional to 134,911 and 197,992
Similar ratio
Find third proportional to 202,363.50 and 296,983.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.