Home / 78,954-171,288

Finding the Third Proportional to 78,954 and 171,288

Calculator

Solution

The third proportional to 78,954 and 171,288 is: 371,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,954 : 171,288 = 171,288 : x
  2. Step 2: Convert to fraction form
    78,954/171,288 = 171,288/x
  3. Step 3: Cross multiply
    78,954x = 171,288 × 171,288
  4. Step 4: Simplify right side
    78,954x = 29,339,578,944
  5. Step 5: Solve for x
    x = 29,339,578,944/78,954
  6. Step 6: Final answer
    x = 371,603.45

Related Problems

Find third proportional to 39,477 and 85,644
Half scale
Find third proportional to 157,908 and 342,576
Double scale
Find third proportional to 78,956 and 171,292
Similar ratio
Find third proportional to 118,431 and 256,932
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.