Home / 262,865-411,816

Finding the Third Proportional to 262,865 and 411,816

Calculator

Solution

The third proportional to 262,865 and 411,816 is: 645,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,865 : 411,816 = 411,816 : x
  2. Step 2: Convert to fraction form
    262,865/411,816 = 411,816/x
  3. Step 3: Cross multiply
    262,865x = 411,816 × 411,816
  4. Step 4: Simplify right side
    262,865x = 169,592,417,856
  5. Step 5: Solve for x
    x = 169,592,417,856/262,865
  6. Step 6: Final answer
    x = 645,169.26

Related Problems

Find third proportional to 131,432.50 and 205,908
Half scale
Find third proportional to 525,730 and 823,632
Double scale
Find third proportional to 262,867 and 411,819
Similar ratio
Find third proportional to 394,297.50 and 617,724
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.