Home / 53,948-81,651

Finding the Third Proportional to 53,948 and 81,651

Calculator

Solution

The third proportional to 53,948 and 81,651 is: 123,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948 : 81,651 = 81,651 : x
  2. Step 2: Convert to fraction form
    53,948/81,651 = 81,651/x
  3. Step 3: Cross multiply
    53,948x = 81,651 × 81,651
  4. Step 4: Simplify right side
    53,948x = 6,666,885,801
  5. Step 5: Solve for x
    x = 6,666,885,801/53,948
  6. Step 6: Final answer
    x = 123,579.85

Related Problems

Find third proportional to 26,974 and 40,825.50
Half scale
Find third proportional to 107,896 and 163,302
Double scale
Find third proportional to 53,950 and 81,654
Similar ratio
Find third proportional to 80,922 and 122,476.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.