Home / 78,150-171,204

Finding the Third Proportional to 78,150 and 171,204

Calculator

Solution

The third proportional to 78,150 and 171,204 is: 375,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,150 : 171,204 = 171,204 : x
  2. Step 2: Convert to fraction form
    78,150/171,204 = 171,204/x
  3. Step 3: Cross multiply
    78,150x = 171,204 × 171,204
  4. Step 4: Simplify right side
    78,150x = 29,310,809,616
  5. Step 5: Solve for x
    x = 29,310,809,616/78,150
  6. Step 6: Final answer
    x = 375,058.34

Related Problems

Find third proportional to 39,075 and 85,602
Half scale
Find third proportional to 156,300 and 342,408
Double scale
Find third proportional to 78,152 and 171,208
Similar ratio
Find third proportional to 117,225 and 256,806
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.