Home / 143,080-308,301

Finding the Third Proportional to 143,080 and 308,301

Calculator

Solution

The third proportional to 143,080 and 308,301 is: 664,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,080 : 308,301 = 308,301 : x
  2. Step 2: Convert to fraction form
    143,080/308,301 = 308,301/x
  3. Step 3: Cross multiply
    143,080x = 308,301 × 308,301
  4. Step 4: Simplify right side
    143,080x = 95,049,506,601
  5. Step 5: Solve for x
    x = 95,049,506,601/143,080
  6. Step 6: Final answer
    x = 664,310.22

Related Problems

Find third proportional to 71,540 and 154,150.50
Half scale
Find third proportional to 286,160 and 616,602
Double scale
Find third proportional to 143,082 and 308,305
Similar ratio
Find third proportional to 214,620 and 462,451.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.