Home / 3,213.50-7,042

Finding the Third Proportional to 3,213.50 and 7,042

Calculator

Solution

The third proportional to 3,213.50 and 7,042 is: 15,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.50 : 7,042 = 7,042 : x
  2. Step 2: Convert to fraction form
    3,213.50/7,042 = 7,042/x
  3. Step 3: Cross multiply
    3,213.50x = 7,042 × 7,042
  4. Step 4: Simplify right side
    3,213.50x = 49,589,764
  5. Step 5: Solve for x
    x = 49,589,764/3,213.50
  6. Step 6: Final answer
    x = 15,431.70

Related Problems

Find third proportional to 1,606.75 and 3,521
Half scale
Find third proportional to 6,427 and 14,084
Double scale
Find third proportional to 3,216 and 7,046
Similar ratio
Find third proportional to 4,820.25 and 10,563
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.