Home / 10,272-14,640

Finding the Third Proportional to 10,272 and 14,640

Calculator

Solution

The third proportional to 10,272 and 14,640 is: 20,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272 : 14,640 = 14,640 : x
  2. Step 2: Convert to fraction form
    10,272/14,640 = 14,640/x
  3. Step 3: Cross multiply
    10,272x = 14,640 × 14,640
  4. Step 4: Simplify right side
    10,272x = 214,329,600
  5. Step 5: Solve for x
    x = 214,329,600/10,272
  6. Step 6: Final answer
    x = 20,865.42

Related Problems

Find third proportional to 5,136 and 7,320
Half scale
Find third proportional to 20,544 and 29,280
Double scale
Find third proportional to 10,274 and 14,643
Similar ratio
Find third proportional to 15,408 and 21,960
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.