Home / 9,140-18,824

Finding the Third Proportional to 9,140 and 18,824

Calculator

Solution

The third proportional to 9,140 and 18,824 is: 38,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140 : 18,824 = 18,824 : x
  2. Step 2: Convert to fraction form
    9,140/18,824 = 18,824/x
  3. Step 3: Cross multiply
    9,140x = 18,824 × 18,824
  4. Step 4: Simplify right side
    9,140x = 354,342,976
  5. Step 5: Solve for x
    x = 354,342,976/9,140
  6. Step 6: Final answer
    x = 38,768.38

Related Problems

Find third proportional to 4,570 and 9,412
Half scale
Find third proportional to 18,280 and 37,648
Double scale
Find third proportional to 9,142 and 18,828
Similar ratio
Find third proportional to 13,710 and 28,236
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.