Home / 39,391-84,631

Finding the Third Proportional to 39,391 and 84,631

Calculator

Solution

The third proportional to 39,391 and 84,631 is: 181,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391 : 84,631 = 84,631 : x
  2. Step 2: Convert to fraction form
    39,391/84,631 = 84,631/x
  3. Step 3: Cross multiply
    39,391x = 84,631 × 84,631
  4. Step 4: Simplify right side
    39,391x = 7,162,406,161
  5. Step 5: Solve for x
    x = 7,162,406,161/39,391
  6. Step 6: Final answer
    x = 181,828.49

Related Problems

Find third proportional to 19,695.50 and 42,315.50
Half scale
Find third proportional to 78,782 and 169,262
Double scale
Find third proportional to 39,393 and 84,635
Similar ratio
Find third proportional to 59,086.50 and 126,946.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.