Home / 499-1,090

Finding the Third Proportional to 499 and 1,090

Calculator

Solution

The third proportional to 499 and 1,090 is: 2,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    499 : 1,090 = 1,090 : x
  2. Step 2: Convert to fraction form
    499/1,090 = 1,090/x
  3. Step 3: Cross multiply
    499x = 1,090 × 1,090
  4. Step 4: Simplify right side
    499x = 1,188,100
  5. Step 5: Solve for x
    x = 1,188,100/499
  6. Step 6: Final answer
    x = 2,380.96

Related Problems

Find third proportional to 249.50 and 545
Half scale
Find third proportional to 998 and 2,180
Double scale
Find third proportional to 501 and 1,094
Similar ratio
Find third proportional to 748.50 and 1,635
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.