Home / 18,664-39,472

Finding the Third Proportional to 18,664 and 39,472

Calculator

Solution

The third proportional to 18,664 and 39,472 is: 83,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664 : 39,472 = 39,472 : x
  2. Step 2: Convert to fraction form
    18,664/39,472 = 39,472/x
  3. Step 3: Cross multiply
    18,664x = 39,472 × 39,472
  4. Step 4: Simplify right side
    18,664x = 1,558,038,784
  5. Step 5: Solve for x
    x = 1,558,038,784/18,664
  6. Step 6: Final answer
    x = 83,478.29

Related Problems

Find third proportional to 9,332 and 19,736
Half scale
Find third proportional to 37,328 and 78,944
Double scale
Find third proportional to 18,666 and 39,476
Similar ratio
Find third proportional to 27,996 and 59,208
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.