Home / 38,580-81,897

Finding the Third Proportional to 38,580 and 81,897

Calculator

Solution

The third proportional to 38,580 and 81,897 is: 173,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580 : 81,897 = 81,897 : x
  2. Step 2: Convert to fraction form
    38,580/81,897 = 81,897/x
  3. Step 3: Cross multiply
    38,580x = 81,897 × 81,897
  4. Step 4: Simplify right side
    38,580x = 6,707,118,609
  5. Step 5: Solve for x
    x = 6,707,118,609/38,580
  6. Step 6: Final answer
    x = 173,849.63

Related Problems

Find third proportional to 19,290 and 40,948.50
Half scale
Find third proportional to 77,160 and 163,794
Double scale
Find third proportional to 38,582 and 81,901
Similar ratio
Find third proportional to 57,870 and 122,845.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.