Home / 56,712-81,180

Finding the Third Proportional to 56,712 and 81,180

Calculator

Solution

The third proportional to 56,712 and 81,180 is: 116,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712 : 81,180 = 81,180 : x
  2. Step 2: Convert to fraction form
    56,712/81,180 = 81,180/x
  3. Step 3: Cross multiply
    56,712x = 81,180 × 81,180
  4. Step 4: Simplify right side
    56,712x = 6,590,192,400
  5. Step 5: Solve for x
    x = 6,590,192,400/56,712
  6. Step 6: Final answer
    x = 116,204.55

Related Problems

Find third proportional to 28,356 and 40,590
Half scale
Find third proportional to 113,424 and 162,360
Double scale
Find third proportional to 56,714 and 81,183
Similar ratio
Find third proportional to 85,068 and 121,770
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.