Home / 69,278-104,385

Finding the Third Proportional to 69,278 and 104,385

Calculator

Solution

The third proportional to 69,278 and 104,385 is: 157,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278 : 104,385 = 104,385 : x
  2. Step 2: Convert to fraction form
    69,278/104,385 = 104,385/x
  3. Step 3: Cross multiply
    69,278x = 104,385 × 104,385
  4. Step 4: Simplify right side
    69,278x = 10,896,228,225
  5. Step 5: Solve for x
    x = 10,896,228,225/69,278
  6. Step 6: Final answer
    x = 157,282.66

Related Problems

Find third proportional to 34,639 and 52,192.50
Half scale
Find third proportional to 138,556 and 208,770
Double scale
Find third proportional to 69,280 and 104,388
Similar ratio
Find third proportional to 103,917 and 156,577.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.