Home / 84,772-128,249

Finding the Third Proportional to 84,772 and 128,249

Calculator

Solution

The third proportional to 84,772 and 128,249 is: 194,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,772 : 128,249 = 128,249 : x
  2. Step 2: Convert to fraction form
    84,772/128,249 = 128,249/x
  3. Step 3: Cross multiply
    84,772x = 128,249 × 128,249
  4. Step 4: Simplify right side
    84,772x = 16,447,806,001
  5. Step 5: Solve for x
    x = 16,447,806,001/84,772
  6. Step 6: Final answer
    x = 194,024.04

Related Problems

Find third proportional to 42,386 and 64,124.50
Half scale
Find third proportional to 169,544 and 256,498
Double scale
Find third proportional to 84,774 and 128,252
Similar ratio
Find third proportional to 127,158 and 192,373.50
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.