Home / 59,520-81,615

Finding the Third Proportional to 59,520 and 81,615

Calculator

Solution

The third proportional to 59,520 and 81,615 is: 111,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,520 : 81,615 = 81,615 : x
  2. Step 2: Convert to fraction form
    59,520/81,615 = 81,615/x
  3. Step 3: Cross multiply
    59,520x = 81,615 × 81,615
  4. Step 4: Simplify right side
    59,520x = 6,661,008,225
  5. Step 5: Solve for x
    x = 6,661,008,225/59,520
  6. Step 6: Final answer
    x = 111,912.10

Related Problems

Find third proportional to 29,760 and 40,807.50
Half scale
Find third proportional to 119,040 and 163,230
Double scale
Find third proportional to 59,522 and 81,618
Similar ratio
Find third proportional to 89,280 and 122,422.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.