Home / 177,348-389,187

Finding the Third Proportional to 177,348 and 389,187

Calculator

Solution

The third proportional to 177,348 and 389,187 is: 854,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,348 : 389,187 = 389,187 : x
  2. Step 2: Convert to fraction form
    177,348/389,187 = 389,187/x
  3. Step 3: Cross multiply
    177,348x = 389,187 × 389,187
  4. Step 4: Simplify right side
    177,348x = 151,466,520,969
  5. Step 5: Solve for x
    x = 151,466,520,969/177,348
  6. Step 6: Final answer
    x = 854,063.88

Related Problems

Find third proportional to 88,674 and 194,593.50
Half scale
Find third proportional to 354,696 and 778,374
Double scale
Find third proportional to 177,350 and 389,191
Similar ratio
Find third proportional to 266,022 and 583,780.50
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.