Home / 78,680-169,924

Finding the Third Proportional to 78,680 and 169,924

Calculator

Solution

The third proportional to 78,680 and 169,924 is: 366,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,680 : 169,924 = 169,924 : x
  2. Step 2: Convert to fraction form
    78,680/169,924 = 169,924/x
  3. Step 3: Cross multiply
    78,680x = 169,924 × 169,924
  4. Step 4: Simplify right side
    78,680x = 28,874,165,776
  5. Step 5: Solve for x
    x = 28,874,165,776/78,680
  6. Step 6: Final answer
    x = 366,982.28

Related Problems

Find third proportional to 39,340 and 84,962
Half scale
Find third proportional to 157,360 and 339,848
Double scale
Find third proportional to 78,682 and 169,928
Similar ratio
Find third proportional to 118,020 and 254,886
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.