Home / 79,428-122,874

Finding the Third Proportional to 79,428 and 122,874

Calculator

Solution

The third proportional to 79,428 and 122,874 is: 190,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,428 : 122,874 = 122,874 : x
  2. Step 2: Convert to fraction form
    79,428/122,874 = 122,874/x
  3. Step 3: Cross multiply
    79,428x = 122,874 × 122,874
  4. Step 4: Simplify right side
    79,428x = 15,098,019,876
  5. Step 5: Solve for x
    x = 15,098,019,876/79,428
  6. Step 6: Final answer
    x = 190,084.35

Related Problems

Find third proportional to 39,714 and 61,437
Half scale
Find third proportional to 158,856 and 245,748
Double scale
Find third proportional to 79,430 and 122,877
Similar ratio
Find third proportional to 119,142 and 184,311
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.