Home / 74,804-109,312

Finding the Third Proportional to 74,804 and 109,312

Calculator

Solution

The third proportional to 74,804 and 109,312 is: 159,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804 : 109,312 = 109,312 : x
  2. Step 2: Convert to fraction form
    74,804/109,312 = 109,312/x
  3. Step 3: Cross multiply
    74,804x = 109,312 × 109,312
  4. Step 4: Simplify right side
    74,804x = 11,949,113,344
  5. Step 5: Solve for x
    x = 11,949,113,344/74,804
  6. Step 6: Final answer
    x = 159,738.96

Related Problems

Find third proportional to 37,402 and 54,656
Half scale
Find third proportional to 149,608 and 218,624
Double scale
Find third proportional to 74,806 and 109,315
Similar ratio
Find third proportional to 112,206 and 163,968
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.