Home / 260,382-405,796

Finding the Third Proportional to 260,382 and 405,796

Calculator

Solution

The third proportional to 260,382 and 405,796 is: 632,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,382 : 405,796 = 405,796 : x
  2. Step 2: Convert to fraction form
    260,382/405,796 = 405,796/x
  3. Step 3: Cross multiply
    260,382x = 405,796 × 405,796
  4. Step 4: Simplify right side
    260,382x = 164,670,393,616
  5. Step 5: Solve for x
    x = 164,670,393,616/260,382
  6. Step 6: Final answer
    x = 632,418.50

Related Problems

Find third proportional to 130,191 and 202,898
Half scale
Find third proportional to 520,764 and 811,592
Double scale
Find third proportional to 260,384 and 405,799
Similar ratio
Find third proportional to 390,573 and 608,694
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.