Home / 78,360-117,708

Finding the Third Proportional to 78,360 and 117,708

Calculator

Solution

The third proportional to 78,360 and 117,708 is: 176,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,360 : 117,708 = 117,708 : x
  2. Step 2: Convert to fraction form
    78,360/117,708 = 117,708/x
  3. Step 3: Cross multiply
    78,360x = 117,708 × 117,708
  4. Step 4: Simplify right side
    78,360x = 13,855,173,264
  5. Step 5: Solve for x
    x = 13,855,173,264/78,360
  6. Step 6: Final answer
    x = 176,814.36

Related Problems

Find third proportional to 39,180 and 58,854
Half scale
Find third proportional to 156,720 and 235,416
Double scale
Find third proportional to 78,362 and 117,711
Similar ratio
Find third proportional to 117,540 and 176,562
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.