Home / 54,688-117,912

Finding the Third Proportional to 54,688 and 117,912

Calculator

Solution

The third proportional to 54,688 and 117,912 is: 254,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688 : 117,912 = 117,912 : x
  2. Step 2: Convert to fraction form
    54,688/117,912 = 117,912/x
  3. Step 3: Cross multiply
    54,688x = 117,912 × 117,912
  4. Step 4: Simplify right side
    54,688x = 13,903,239,744
  5. Step 5: Solve for x
    x = 13,903,239,744/54,688
  6. Step 6: Final answer
    x = 254,228.35

Related Problems

Find third proportional to 27,344 and 58,956
Half scale
Find third proportional to 109,376 and 235,824
Double scale
Find third proportional to 54,690 and 117,916
Similar ratio
Find third proportional to 82,032 and 176,868
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.