Home / 85,455-137,295

Finding the Third Proportional to 85,455 and 137,295

Calculator

Solution

The third proportional to 85,455 and 137,295 is: 220,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,455 : 137,295 = 137,295 : x
  2. Step 2: Convert to fraction form
    85,455/137,295 = 137,295/x
  3. Step 3: Cross multiply
    85,455x = 137,295 × 137,295
  4. Step 4: Simplify right side
    85,455x = 18,849,917,025
  5. Step 5: Solve for x
    x = 18,849,917,025/85,455
  6. Step 6: Final answer
    x = 220,582.96

Related Problems

Find third proportional to 42,727.50 and 68,647.50
Half scale
Find third proportional to 170,910 and 274,590
Double scale
Find third proportional to 85,457 and 137,298
Similar ratio
Find third proportional to 128,182.50 and 205,942.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.