Home / 15,441-31,428

Finding the Third Proportional to 15,441 and 31,428

Calculator

Solution

The third proportional to 15,441 and 31,428 is: 63,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441 : 31,428 = 31,428 : x
  2. Step 2: Convert to fraction form
    15,441/31,428 = 31,428/x
  3. Step 3: Cross multiply
    15,441x = 31,428 × 31,428
  4. Step 4: Simplify right side
    15,441x = 987,719,184
  5. Step 5: Solve for x
    x = 987,719,184/15,441
  6. Step 6: Final answer
    x = 63,967.31

Related Problems

Find third proportional to 7,720.50 and 15,714
Half scale
Find third proportional to 30,882 and 62,856
Double scale
Find third proportional to 15,443 and 31,432
Similar ratio
Find third proportional to 23,161.50 and 47,142
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.