Home / 103,478-158,634

Finding the Third Proportional to 103,478 and 158,634

Calculator

Solution

The third proportional to 103,478 and 158,634 is: 243,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,478 : 158,634 = 158,634 : x
  2. Step 2: Convert to fraction form
    103,478/158,634 = 158,634/x
  3. Step 3: Cross multiply
    103,478x = 158,634 × 158,634
  4. Step 4: Simplify right side
    103,478x = 25,164,745,956
  5. Step 5: Solve for x
    x = 25,164,745,956/103,478
  6. Step 6: Final answer
    x = 243,189.33

Related Problems

Find third proportional to 51,739 and 79,317
Half scale
Find third proportional to 206,956 and 317,268
Double scale
Find third proportional to 103,480 and 158,637
Similar ratio
Find third proportional to 155,217 and 237,951
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.