Home / 72,930-104,289

Finding the Third Proportional to 72,930 and 104,289

Calculator

Solution

The third proportional to 72,930 and 104,289 is: 149,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,930 : 104,289 = 104,289 : x
  2. Step 2: Convert to fraction form
    72,930/104,289 = 104,289/x
  3. Step 3: Cross multiply
    72,930x = 104,289 × 104,289
  4. Step 4: Simplify right side
    72,930x = 10,876,195,521
  5. Step 5: Solve for x
    x = 10,876,195,521/72,930
  6. Step 6: Final answer
    x = 149,131.98

Related Problems

Find third proportional to 36,465 and 52,144.50
Half scale
Find third proportional to 145,860 and 208,578
Double scale
Find third proportional to 72,932 and 104,292
Similar ratio
Find third proportional to 109,395 and 156,433.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.