Home / 130,160-197,990

Finding the Third Proportional to 130,160 and 197,990

Calculator

Solution

The third proportional to 130,160 and 197,990 is: 301,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160 : 197,990 = 197,990 : x
  2. Step 2: Convert to fraction form
    130,160/197,990 = 197,990/x
  3. Step 3: Cross multiply
    130,160x = 197,990 × 197,990
  4. Step 4: Simplify right side
    130,160x = 39,200,040,100
  5. Step 5: Solve for x
    x = 39,200,040,100/130,160
  6. Step 6: Final answer
    x = 301,168.10

Related Problems

Find third proportional to 65,080 and 98,995
Half scale
Find third proportional to 260,320 and 395,980
Double scale
Find third proportional to 130,162 and 197,993
Similar ratio
Find third proportional to 195,240 and 296,985
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.