Home / 28,628-62,678

Finding the Third Proportional to 28,628 and 62,678

Calculator

Solution

The third proportional to 28,628 and 62,678 is: 137,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628 : 62,678 = 62,678 : x
  2. Step 2: Convert to fraction form
    28,628/62,678 = 62,678/x
  3. Step 3: Cross multiply
    28,628x = 62,678 × 62,678
  4. Step 4: Simplify right side
    28,628x = 3,928,531,684
  5. Step 5: Solve for x
    x = 3,928,531,684/28,628
  6. Step 6: Final answer
    x = 137,226.90

Related Problems

Find third proportional to 14,314 and 31,339
Half scale
Find third proportional to 57,256 and 125,356
Double scale
Find third proportional to 28,630 and 62,682
Similar ratio
Find third proportional to 42,942 and 94,017
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.