Home / 18,916-28,364

Finding the Third Proportional to 18,916 and 28,364

Calculator

Solution

The third proportional to 18,916 and 28,364 is: 42,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916 : 28,364 = 28,364 : x
  2. Step 2: Convert to fraction form
    18,916/28,364 = 28,364/x
  3. Step 3: Cross multiply
    18,916x = 28,364 × 28,364
  4. Step 4: Simplify right side
    18,916x = 804,516,496
  5. Step 5: Solve for x
    x = 804,516,496/18,916
  6. Step 6: Final answer
    x = 42,531.01

Related Problems

Find third proportional to 9,458 and 14,182
Half scale
Find third proportional to 37,832 and 56,728
Double scale
Find third proportional to 18,918 and 28,367
Similar ratio
Find third proportional to 28,374 and 42,546
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.