Home / 40,840-64,176

Finding the Third Proportional to 40,840 and 64,176

Calculator

Solution

The third proportional to 40,840 and 64,176 is: 100,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840 : 64,176 = 64,176 : x
  2. Step 2: Convert to fraction form
    40,840/64,176 = 64,176/x
  3. Step 3: Cross multiply
    40,840x = 64,176 × 64,176
  4. Step 4: Simplify right side
    40,840x = 4,118,558,976
  5. Step 5: Solve for x
    x = 4,118,558,976/40,840
  6. Step 6: Final answer
    x = 100,846.20

Related Problems

Find third proportional to 20,420 and 32,088
Half scale
Find third proportional to 81,680 and 128,352
Double scale
Find third proportional to 40,842 and 64,179
Similar ratio
Find third proportional to 61,260 and 96,264
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.