Home / 77,338-117,627

Finding the Third Proportional to 77,338 and 117,627

Calculator

Solution

The third proportional to 77,338 and 117,627 is: 178,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338 : 117,627 = 117,627 : x
  2. Step 2: Convert to fraction form
    77,338/117,627 = 117,627/x
  3. Step 3: Cross multiply
    77,338x = 117,627 × 117,627
  4. Step 4: Simplify right side
    77,338x = 13,836,111,129
  5. Step 5: Solve for x
    x = 13,836,111,129/77,338
  6. Step 6: Final answer
    x = 178,904.43

Related Problems

Find third proportional to 38,669 and 58,813.50
Half scale
Find third proportional to 154,676 and 235,254
Double scale
Find third proportional to 77,340 and 117,630
Similar ratio
Find third proportional to 116,007 and 176,440.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.