Home / 399,972-562,536

Finding the Third Proportional to 399,972 and 562,536

Calculator

Solution

The third proportional to 399,972 and 562,536 is: 791,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,972 : 562,536 = 562,536 : x
  2. Step 2: Convert to fraction form
    399,972/562,536 = 562,536/x
  3. Step 3: Cross multiply
    399,972x = 562,536 × 562,536
  4. Step 4: Simplify right side
    399,972x = 316,446,751,296
  5. Step 5: Solve for x
    x = 316,446,751,296/399,972
  6. Step 6: Final answer
    x = 791,172.26

Related Problems

Find third proportional to 199,986 and 281,268
Half scale
Find third proportional to 799,944 and 1,125,072
Double scale
Find third proportional to 399,974 and 562,539
Similar ratio
Find third proportional to 599,958 and 843,804
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.