Home / 27,790-39,710

Finding the Third Proportional to 27,790 and 39,710

Calculator

Solution

The third proportional to 27,790 and 39,710 is: 56,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790 : 39,710 = 39,710 : x
  2. Step 2: Convert to fraction form
    27,790/39,710 = 39,710/x
  3. Step 3: Cross multiply
    27,790x = 39,710 × 39,710
  4. Step 4: Simplify right side
    27,790x = 1,576,884,100
  5. Step 5: Solve for x
    x = 1,576,884,100/27,790
  6. Step 6: Final answer
    x = 56,742.86

Related Problems

Find third proportional to 13,895 and 19,855
Half scale
Find third proportional to 55,580 and 79,420
Double scale
Find third proportional to 27,792 and 39,713
Similar ratio
Find third proportional to 41,685 and 59,565
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.