Home / 268,944-416,421

Finding the Third Proportional to 268,944 and 416,421

Calculator

Solution

The third proportional to 268,944 and 416,421 is: 644,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,944 : 416,421 = 416,421 : x
  2. Step 2: Convert to fraction form
    268,944/416,421 = 416,421/x
  3. Step 3: Cross multiply
    268,944x = 416,421 × 416,421
  4. Step 4: Simplify right side
    268,944x = 173,406,449,241
  5. Step 5: Solve for x
    x = 173,406,449,241/268,944
  6. Step 6: Final answer
    x = 644,767.87

Related Problems

Find third proportional to 134,472 and 208,210.50
Half scale
Find third proportional to 537,888 and 832,842
Double scale
Find third proportional to 268,946 and 416,424
Similar ratio
Find third proportional to 403,416 and 624,631.50
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.