Home / 21,082-29,660

Finding the Third Proportional to 21,082 and 29,660

Calculator

Solution

The third proportional to 21,082 and 29,660 is: 41,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082 : 29,660 = 29,660 : x
  2. Step 2: Convert to fraction form
    21,082/29,660 = 29,660/x
  3. Step 3: Cross multiply
    21,082x = 29,660 × 29,660
  4. Step 4: Simplify right side
    21,082x = 879,715,600
  5. Step 5: Solve for x
    x = 879,715,600/21,082
  6. Step 6: Final answer
    x = 41,728.28

Related Problems

Find third proportional to 10,541 and 14,830
Half scale
Find third proportional to 42,164 and 59,320
Double scale
Find third proportional to 21,084 and 29,663
Similar ratio
Find third proportional to 31,623 and 44,490
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.