Home / 176,609-378,470

Finding the Third Proportional to 176,609 and 378,470

Calculator

Solution

The third proportional to 176,609 and 378,470 is: 811,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,609 : 378,470 = 378,470 : x
  2. Step 2: Convert to fraction form
    176,609/378,470 = 378,470/x
  3. Step 3: Cross multiply
    176,609x = 378,470 × 378,470
  4. Step 4: Simplify right side
    176,609x = 143,239,540,900
  5. Step 5: Solve for x
    x = 143,239,540,900/176,609
  6. Step 6: Final answer
    x = 811,054.59

Related Problems

Find third proportional to 88,304.50 and 189,235
Half scale
Find third proportional to 353,218 and 756,940
Double scale
Find third proportional to 176,611 and 378,474
Similar ratio
Find third proportional to 264,913.50 and 567,705
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.