Home / 356,646-554,015

Finding the Third Proportional to 356,646 and 554,015

Calculator

Solution

The third proportional to 356,646 and 554,015 is: 860,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,646 : 554,015 = 554,015 : x
  2. Step 2: Convert to fraction form
    356,646/554,015 = 554,015/x
  3. Step 3: Cross multiply
    356,646x = 554,015 × 554,015
  4. Step 4: Simplify right side
    356,646x = 306,932,620,225
  5. Step 5: Solve for x
    x = 306,932,620,225/356,646
  6. Step 6: Final answer
    x = 860,608.62

Related Problems

Find third proportional to 178,323 and 277,007.50
Half scale
Find third proportional to 713,292 and 1,108,030
Double scale
Find third proportional to 356,648 and 554,018
Similar ratio
Find third proportional to 534,969 and 831,022.50
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.