Home / 213,192-458,640

Finding the Third Proportional to 213,192 and 458,640

Calculator

Solution

The third proportional to 213,192 and 458,640 is: 986,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,192 : 458,640 = 458,640 : x
  2. Step 2: Convert to fraction form
    213,192/458,640 = 458,640/x
  3. Step 3: Cross multiply
    213,192x = 458,640 × 458,640
  4. Step 4: Simplify right side
    213,192x = 210,350,649,600
  5. Step 5: Solve for x
    x = 210,350,649,600/213,192
  6. Step 6: Final answer
    x = 986,672.34

Related Problems

Find third proportional to 106,596 and 229,320
Half scale
Find third proportional to 426,384 and 917,280
Double scale
Find third proportional to 213,194 and 458,644
Similar ratio
Find third proportional to 319,788 and 687,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.