Home / 10,389-22,642

Finding the Third Proportional to 10,389 and 22,642

Calculator

Solution

The third proportional to 10,389 and 22,642 is: 49,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389 : 22,642 = 22,642 : x
  2. Step 2: Convert to fraction form
    10,389/22,642 = 22,642/x
  3. Step 3: Cross multiply
    10,389x = 22,642 × 22,642
  4. Step 4: Simplify right side
    10,389x = 512,660,164
  5. Step 5: Solve for x
    x = 512,660,164/10,389
  6. Step 6: Final answer
    x = 49,346.44

Related Problems

Find third proportional to 5,194.50 and 11,321
Half scale
Find third proportional to 20,778 and 45,284
Double scale
Find third proportional to 10,391 and 22,646
Similar ratio
Find third proportional to 15,583.50 and 33,963
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.