Home / 178,092-387,288

Finding the Third Proportional to 178,092 and 387,288

Calculator

Solution

The third proportional to 178,092 and 387,288 is: 842,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,092 : 387,288 = 387,288 : x
  2. Step 2: Convert to fraction form
    178,092/387,288 = 387,288/x
  3. Step 3: Cross multiply
    178,092x = 387,288 × 387,288
  4. Step 4: Simplify right side
    178,092x = 149,991,994,944
  5. Step 5: Solve for x
    x = 149,991,994,944/178,092
  6. Step 6: Final answer
    x = 842,216.35

Related Problems

Find third proportional to 89,046 and 193,644
Half scale
Find third proportional to 356,184 and 774,576
Double scale
Find third proportional to 178,094 and 387,292
Similar ratio
Find third proportional to 267,138 and 580,932
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.