Home / 76,831-103,572

Finding the Third Proportional to 76,831 and 103,572

Calculator

Solution

The third proportional to 76,831 and 103,572 is: 139,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,831 : 103,572 = 103,572 : x
  2. Step 2: Convert to fraction form
    76,831/103,572 = 103,572/x
  3. Step 3: Cross multiply
    76,831x = 103,572 × 103,572
  4. Step 4: Simplify right side
    76,831x = 10,727,159,184
  5. Step 5: Solve for x
    x = 10,727,159,184/76,831
  6. Step 6: Final answer
    x = 139,620.19

Related Problems

Find third proportional to 38,415.50 and 51,786
Half scale
Find third proportional to 153,662 and 207,144
Double scale
Find third proportional to 76,833 and 103,575
Similar ratio
Find third proportional to 115,246.50 and 155,358
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.