Home / 54,640-78,968

Finding the Third Proportional to 54,640 and 78,968

Calculator

Solution

The third proportional to 54,640 and 78,968 is: 114,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640 : 78,968 = 78,968 : x
  2. Step 2: Convert to fraction form
    54,640/78,968 = 78,968/x
  3. Step 3: Cross multiply
    54,640x = 78,968 × 78,968
  4. Step 4: Simplify right side
    54,640x = 6,235,945,024
  5. Step 5: Solve for x
    x = 6,235,945,024/54,640
  6. Step 6: Final answer
    x = 114,127.84

Related Problems

Find third proportional to 27,320 and 39,484
Half scale
Find third proportional to 109,280 and 157,936
Double scale
Find third proportional to 54,642 and 78,971
Similar ratio
Find third proportional to 81,960 and 118,452
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.