Home / 59,504-128,805

Finding the Third Proportional to 59,504 and 128,805

Calculator

Solution

The third proportional to 59,504 and 128,805 is: 278,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,504 : 128,805 = 128,805 : x
  2. Step 2: Convert to fraction form
    59,504/128,805 = 128,805/x
  3. Step 3: Cross multiply
    59,504x = 128,805 × 128,805
  4. Step 4: Simplify right side
    59,504x = 16,590,728,025
  5. Step 5: Solve for x
    x = 16,590,728,025/59,504
  6. Step 6: Final answer
    x = 278,817.02

Related Problems

Find third proportional to 29,752 and 64,402.50
Half scale
Find third proportional to 119,008 and 257,610
Double scale
Find third proportional to 59,506 and 128,809
Similar ratio
Find third proportional to 89,256 and 193,207.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.