Home / 53,143-81,127

Finding the Third Proportional to 53,143 and 81,127

Calculator

Solution

The third proportional to 53,143 and 81,127 is: 123,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143 : 81,127 = 81,127 : x
  2. Step 2: Convert to fraction form
    53,143/81,127 = 81,127/x
  3. Step 3: Cross multiply
    53,143x = 81,127 × 81,127
  4. Step 4: Simplify right side
    53,143x = 6,581,590,129
  5. Step 5: Solve for x
    x = 6,581,590,129/53,143
  6. Step 6: Final answer
    x = 123,846.79

Related Problems

Find third proportional to 26,571.50 and 40,563.50
Half scale
Find third proportional to 106,286 and 162,254
Double scale
Find third proportional to 53,145 and 81,130
Similar ratio
Find third proportional to 79,714.50 and 121,690.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.