Home / 21,746-47,640

Finding the Third Proportional to 21,746 and 47,640

Calculator

Solution

The third proportional to 21,746 and 47,640 is: 104,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746 : 47,640 = 47,640 : x
  2. Step 2: Convert to fraction form
    21,746/47,640 = 47,640/x
  3. Step 3: Cross multiply
    21,746x = 47,640 × 47,640
  4. Step 4: Simplify right side
    21,746x = 2,269,569,600
  5. Step 5: Solve for x
    x = 2,269,569,600/21,746
  6. Step 6: Final answer
    x = 104,367.22

Related Problems

Find third proportional to 10,873 and 23,820
Half scale
Find third proportional to 43,492 and 95,280
Double scale
Find third proportional to 21,748 and 47,644
Similar ratio
Find third proportional to 32,619 and 71,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.