Home / 14,912-18,128

Finding the Third Proportional to 14,912 and 18,128

Calculator

Solution

The third proportional to 14,912 and 18,128 is: 22,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912 : 18,128 = 18,128 : x
  2. Step 2: Convert to fraction form
    14,912/18,128 = 18,128/x
  3. Step 3: Cross multiply
    14,912x = 18,128 × 18,128
  4. Step 4: Simplify right side
    14,912x = 328,624,384
  5. Step 5: Solve for x
    x = 328,624,384/14,912
  6. Step 6: Final answer
    x = 22,037.58

Related Problems

Find third proportional to 7,456 and 9,064
Half scale
Find third proportional to 29,824 and 36,256
Double scale
Find third proportional to 14,914 and 18,130
Similar ratio
Find third proportional to 22,368 and 27,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.