Home / 5,136-7,144

Finding the Third Proportional to 5,136 and 7,144

Calculator

Solution

The third proportional to 5,136 and 7,144 is: 9,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136 : 7,144 = 7,144 : x
  2. Step 2: Convert to fraction form
    5,136/7,144 = 7,144/x
  3. Step 3: Cross multiply
    5,136x = 7,144 × 7,144
  4. Step 4: Simplify right side
    5,136x = 51,036,736
  5. Step 5: Solve for x
    x = 51,036,736/5,136
  6. Step 6: Final answer
    x = 9,937.06

Related Problems

Find third proportional to 2,568 and 3,572
Half scale
Find third proportional to 10,272 and 14,288
Double scale
Find third proportional to 5,138 and 7,147
Similar ratio
Find third proportional to 7,704 and 10,716
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.