Home / 84,788-178,108

Finding the Third Proportional to 84,788 and 178,108

Calculator

Solution

The third proportional to 84,788 and 178,108 is: 374,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788 : 178,108 = 178,108 : x
  2. Step 2: Convert to fraction form
    84,788/178,108 = 178,108/x
  3. Step 3: Cross multiply
    84,788x = 178,108 × 178,108
  4. Step 4: Simplify right side
    84,788x = 31,722,459,664
  5. Step 5: Solve for x
    x = 31,722,459,664/84,788
  6. Step 6: Final answer
    x = 374,138.55

Related Problems

Find third proportional to 42,394 and 89,054
Half scale
Find third proportional to 169,576 and 356,216
Double scale
Find third proportional to 84,790 and 178,112
Similar ratio
Find third proportional to 127,182 and 267,162
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.