Home / 136,083-211,578

Finding the Third Proportional to 136,083 and 211,578

Calculator

Solution

The third proportional to 136,083 and 211,578 is: 328,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,083 : 211,578 = 211,578 : x
  2. Step 2: Convert to fraction form
    136,083/211,578 = 211,578/x
  3. Step 3: Cross multiply
    136,083x = 211,578 × 211,578
  4. Step 4: Simplify right side
    136,083x = 44,765,250,084
  5. Step 5: Solve for x
    x = 44,765,250,084/136,083
  6. Step 6: Final answer
    x = 328,955.49

Related Problems

Find third proportional to 68,041.50 and 105,789
Half scale
Find third proportional to 272,166 and 423,156
Double scale
Find third proportional to 136,085 and 211,581
Similar ratio
Find third proportional to 204,124.50 and 317,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.