Home / 128,348-191,462

Finding the Third Proportional to 128,348 and 191,462

Calculator

Solution

The third proportional to 128,348 and 191,462 is: 285,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,348 : 191,462 = 191,462 : x
  2. Step 2: Convert to fraction form
    128,348/191,462 = 191,462/x
  3. Step 3: Cross multiply
    128,348x = 191,462 × 191,462
  4. Step 4: Simplify right side
    128,348x = 36,657,697,444
  5. Step 5: Solve for x
    x = 36,657,697,444/128,348
  6. Step 6: Final answer
    x = 285,611.75

Related Problems

Find third proportional to 64,174 and 95,731
Half scale
Find third proportional to 256,696 and 382,924
Double scale
Find third proportional to 128,350 and 191,465
Similar ratio
Find third proportional to 192,522 and 287,193
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.