Home / 18,312-38,532

Finding the Third Proportional to 18,312 and 38,532

Calculator

Solution

The third proportional to 18,312 and 38,532 is: 81,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312 : 38,532 = 38,532 : x
  2. Step 2: Convert to fraction form
    18,312/38,532 = 38,532/x
  3. Step 3: Cross multiply
    18,312x = 38,532 × 38,532
  4. Step 4: Simplify right side
    18,312x = 1,484,715,024
  5. Step 5: Solve for x
    x = 1,484,715,024/18,312
  6. Step 6: Final answer
    x = 81,078.80

Related Problems

Find third proportional to 9,156 and 19,266
Half scale
Find third proportional to 36,624 and 77,064
Double scale
Find third proportional to 18,314 and 38,536
Similar ratio
Find third proportional to 27,468 and 57,798
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.