Home / 43,127-65,420

Finding the Third Proportional to 43,127 and 65,420

Calculator

Solution

The third proportional to 43,127 and 65,420 is: 99,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127 : 65,420 = 65,420 : x
  2. Step 2: Convert to fraction form
    43,127/65,420 = 65,420/x
  3. Step 3: Cross multiply
    43,127x = 65,420 × 65,420
  4. Step 4: Simplify right side
    43,127x = 4,279,776,400
  5. Step 5: Solve for x
    x = 4,279,776,400/43,127
  6. Step 6: Final answer
    x = 99,236.59

Related Problems

Find third proportional to 21,563.50 and 32,710
Half scale
Find third proportional to 86,254 and 130,840
Double scale
Find third proportional to 43,129 and 65,423
Similar ratio
Find third proportional to 64,690.50 and 98,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.