Home / 15,966-21,476

Finding the Third Proportional to 15,966 and 21,476

Calculator

Solution

The third proportional to 15,966 and 21,476 is: 28,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966 : 21,476 = 21,476 : x
  2. Step 2: Convert to fraction form
    15,966/21,476 = 21,476/x
  3. Step 3: Cross multiply
    15,966x = 21,476 × 21,476
  4. Step 4: Simplify right side
    15,966x = 461,218,576
  5. Step 5: Solve for x
    x = 461,218,576/15,966
  6. Step 6: Final answer
    x = 28,887.55

Related Problems

Find third proportional to 7,983 and 10,738
Half scale
Find third proportional to 31,932 and 42,952
Double scale
Find third proportional to 15,968 and 21,479
Similar ratio
Find third proportional to 23,949 and 32,214
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.