Home / 268,143-414,798

Finding the Third Proportional to 268,143 and 414,798

Calculator

Solution

The third proportional to 268,143 and 414,798 is: 641,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,143 : 414,798 = 414,798 : x
  2. Step 2: Convert to fraction form
    268,143/414,798 = 414,798/x
  3. Step 3: Cross multiply
    268,143x = 414,798 × 414,798
  4. Step 4: Simplify right side
    268,143x = 172,057,380,804
  5. Step 5: Solve for x
    x = 172,057,380,804/268,143
  6. Step 6: Final answer
    x = 641,662.77

Related Problems

Find third proportional to 134,071.50 and 207,399
Half scale
Find third proportional to 536,286 and 829,596
Double scale
Find third proportional to 268,145 and 414,801
Similar ratio
Find third proportional to 402,214.50 and 622,197
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.