Home / 77,160-157,895

Finding the Third Proportional to 77,160 and 157,895

Calculator

Solution

The third proportional to 77,160 and 157,895 is: 323,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,160 : 157,895 = 157,895 : x
  2. Step 2: Convert to fraction form
    77,160/157,895 = 157,895/x
  3. Step 3: Cross multiply
    77,160x = 157,895 × 157,895
  4. Step 4: Simplify right side
    77,160x = 24,930,831,025
  5. Step 5: Solve for x
    x = 24,930,831,025/77,160
  6. Step 6: Final answer
    x = 323,105.64

Related Problems

Find third proportional to 38,580 and 78,947.50
Half scale
Find third proportional to 154,320 and 315,790
Double scale
Find third proportional to 77,162 and 157,899
Similar ratio
Find third proportional to 115,740 and 236,842.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.