Home / 78,804-115,272

Finding the Third Proportional to 78,804 and 115,272

Calculator

Solution

The third proportional to 78,804 and 115,272 is: 168,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804 : 115,272 = 115,272 : x
  2. Step 2: Convert to fraction form
    78,804/115,272 = 115,272/x
  3. Step 3: Cross multiply
    78,804x = 115,272 × 115,272
  4. Step 4: Simplify right side
    78,804x = 13,287,633,984
  5. Step 5: Solve for x
    x = 13,287,633,984/78,804
  6. Step 6: Final answer
    x = 168,616.24

Related Problems

Find third proportional to 39,402 and 57,636
Half scale
Find third proportional to 157,608 and 230,544
Double scale
Find third proportional to 78,806 and 115,275
Similar ratio
Find third proportional to 118,206 and 172,908
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.