Home / 149,088-312,768

Finding the Third Proportional to 149,088 and 312,768

Calculator

Solution

The third proportional to 149,088 and 312,768 is: 656,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,088 : 312,768 = 312,768 : x
  2. Step 2: Convert to fraction form
    149,088/312,768 = 312,768/x
  3. Step 3: Cross multiply
    149,088x = 312,768 × 312,768
  4. Step 4: Simplify right side
    149,088x = 97,823,821,824
  5. Step 5: Solve for x
    x = 97,823,821,824/149,088
  6. Step 6: Final answer
    x = 656,148.19

Related Problems

Find third proportional to 74,544 and 156,384
Half scale
Find third proportional to 298,176 and 625,536
Double scale
Find third proportional to 149,090 and 312,772
Similar ratio
Find third proportional to 223,632 and 469,152
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.