Home / 78,570-169,692

Finding the Third Proportional to 78,570 and 169,692

Calculator

Solution

The third proportional to 78,570 and 169,692 is: 366,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,570 : 169,692 = 169,692 : x
  2. Step 2: Convert to fraction form
    78,570/169,692 = 169,692/x
  3. Step 3: Cross multiply
    78,570x = 169,692 × 169,692
  4. Step 4: Simplify right side
    78,570x = 28,795,374,864
  5. Step 5: Solve for x
    x = 28,795,374,864/78,570
  6. Step 6: Final answer
    x = 366,493.25

Related Problems

Find third proportional to 39,285 and 84,846
Half scale
Find third proportional to 157,140 and 339,384
Double scale
Find third proportional to 78,572 and 169,696
Similar ratio
Find third proportional to 117,855 and 254,538
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.