Home / 68,170-145,816

Finding the Third Proportional to 68,170 and 145,816

Calculator

Solution

The third proportional to 68,170 and 145,816 is: 311,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170 : 145,816 = 145,816 : x
  2. Step 2: Convert to fraction form
    68,170/145,816 = 145,816/x
  3. Step 3: Cross multiply
    68,170x = 145,816 × 145,816
  4. Step 4: Simplify right side
    68,170x = 21,262,305,856
  5. Step 5: Solve for x
    x = 21,262,305,856/68,170
  6. Step 6: Final answer
    x = 311,901.22

Related Problems

Find third proportional to 34,085 and 72,908
Half scale
Find third proportional to 136,340 and 291,632
Double scale
Find third proportional to 68,172 and 145,820
Similar ratio
Find third proportional to 102,255 and 218,724
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.