Home / 19,118-39,579

Finding the Third Proportional to 19,118 and 39,579

Calculator

Solution

The third proportional to 19,118 and 39,579 is: 81,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118 : 39,579 = 39,579 : x
  2. Step 2: Convert to fraction form
    19,118/39,579 = 39,579/x
  3. Step 3: Cross multiply
    19,118x = 39,579 × 39,579
  4. Step 4: Simplify right side
    19,118x = 1,566,497,241
  5. Step 5: Solve for x
    x = 1,566,497,241/19,118
  6. Step 6: Final answer
    x = 81,938.34

Related Problems

Find third proportional to 9,559 and 19,789.50
Half scale
Find third proportional to 38,236 and 79,158
Double scale
Find third proportional to 19,120 and 39,583
Similar ratio
Find third proportional to 28,677 and 59,368.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.