Home / 21,269-49,678

Finding the Third Proportional to 21,269 and 49,678

Calculator

Solution

The third proportional to 21,269 and 49,678 is: 116,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269 : 49,678 = 49,678 : x
  2. Step 2: Convert to fraction form
    21,269/49,678 = 49,678/x
  3. Step 3: Cross multiply
    21,269x = 49,678 × 49,678
  4. Step 4: Simplify right side
    21,269x = 2,467,903,684
  5. Step 5: Solve for x
    x = 2,467,903,684/21,269
  6. Step 6: Final answer
    x = 116,032.90

Related Problems

Find third proportional to 10,634.50 and 24,839
Half scale
Find third proportional to 42,538 and 99,356
Double scale
Find third proportional to 21,271 and 49,683
Similar ratio
Find third proportional to 31,903.50 and 74,517
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.