Home / 27,428-37,840

Finding the Third Proportional to 27,428 and 37,840

Calculator

Solution

The third proportional to 27,428 and 37,840 is: 52,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428 : 37,840 = 37,840 : x
  2. Step 2: Convert to fraction form
    27,428/37,840 = 37,840/x
  3. Step 3: Cross multiply
    27,428x = 37,840 × 37,840
  4. Step 4: Simplify right side
    27,428x = 1,431,865,600
  5. Step 5: Solve for x
    x = 1,431,865,600/27,428
  6. Step 6: Final answer
    x = 52,204.52

Related Problems

Find third proportional to 13,714 and 18,920
Half scale
Find third proportional to 54,856 and 75,680
Double scale
Find third proportional to 27,430 and 37,843
Similar ratio
Find third proportional to 41,142 and 56,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.