Home / 21,672-51,644.25

Finding the Third Proportional to 21,672 and 51,644.25

Calculator

Solution

The third proportional to 21,672 and 51,644.25 is: 123,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,672 : 51,644.25 = 51,644.25 : x
  2. Step 2: Convert to fraction form
    21,672/51,644.25 = 51,644.25/x
  3. Step 3: Cross multiply
    21,672x = 51,644.25 × 51,644.25
  4. Step 4: Simplify right side
    21,672x = 2,667,128,558.06
  5. Step 5: Solve for x
    x = 2,667,128,558.06/21,672
  6. Step 6: Final answer
    x = 123,067.95

Related Problems

Find third proportional to 10,836 and 25,822.13
Half scale
Find third proportional to 43,344 and 103,288.50
Double scale
Find third proportional to 21,674 and 51,649
Similar ratio
Find third proportional to 32,508 and 77,466.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.