Home / 121,416-183,817

Finding the Third Proportional to 121,416 and 183,817

Calculator

Solution

The third proportional to 121,416 and 183,817 is: 278,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,416 : 183,817 = 183,817 : x
  2. Step 2: Convert to fraction form
    121,416/183,817 = 183,817/x
  3. Step 3: Cross multiply
    121,416x = 183,817 × 183,817
  4. Step 4: Simplify right side
    121,416x = 33,788,689,489
  5. Step 5: Solve for x
    x = 33,788,689,489/121,416
  6. Step 6: Final answer
    x = 278,288.61

Related Problems

Find third proportional to 60,708 and 91,908.50
Half scale
Find third proportional to 242,832 and 367,634
Double scale
Find third proportional to 121,418 and 183,820
Similar ratio
Find third proportional to 182,124 and 275,725.50
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.