Home / 18,176-38,940

Finding the Third Proportional to 18,176 and 38,940

Calculator

Solution

The third proportional to 18,176 and 38,940 is: 83,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176 : 38,940 = 38,940 : x
  2. Step 2: Convert to fraction form
    18,176/38,940 = 38,940/x
  3. Step 3: Cross multiply
    18,176x = 38,940 × 38,940
  4. Step 4: Simplify right side
    18,176x = 1,516,323,600
  5. Step 5: Solve for x
    x = 1,516,323,600/18,176
  6. Step 6: Final answer
    x = 83,424.49

Related Problems

Find third proportional to 9,088 and 19,470
Half scale
Find third proportional to 36,352 and 77,880
Double scale
Find third proportional to 18,178 and 38,944
Similar ratio
Find third proportional to 27,264 and 58,410
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.