Home / 485,340-734,798

Finding the Third Proportional to 485,340 and 734,798

Calculator

Solution

The third proportional to 485,340 and 734,798 is: 1,112,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,340 : 734,798 = 734,798 : x
  2. Step 2: Convert to fraction form
    485,340/734,798 = 734,798/x
  3. Step 3: Cross multiply
    485,340x = 734,798 × 734,798
  4. Step 4: Simplify right side
    485,340x = 539,928,100,804
  5. Step 5: Solve for x
    x = 539,928,100,804/485,340
  6. Step 6: Final answer
    x = 1,112,473.94

Related Problems

Find third proportional to 242,670 and 367,399
Half scale
Find third proportional to 970,680 and 1,469,596
Double scale
Find third proportional to 485,342 and 734,801
Similar ratio
Find third proportional to 728,010 and 1,102,197
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.