Home / 30,372-40,866

Finding the Third Proportional to 30,372 and 40,866

Calculator

Solution

The third proportional to 30,372 and 40,866 is: 54,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372 : 40,866 = 40,866 : x
  2. Step 2: Convert to fraction form
    30,372/40,866 = 40,866/x
  3. Step 3: Cross multiply
    30,372x = 40,866 × 40,866
  4. Step 4: Simplify right side
    30,372x = 1,670,029,956
  5. Step 5: Solve for x
    x = 1,670,029,956/30,372
  6. Step 6: Final answer
    x = 54,985.84

Related Problems

Find third proportional to 15,186 and 20,433
Half scale
Find third proportional to 60,744 and 81,732
Double scale
Find third proportional to 30,374 and 40,869
Similar ratio
Find third proportional to 45,558 and 61,299
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.