Home / 408,174-612,672

Finding the Third Proportional to 408,174 and 612,672

Calculator

Solution

The third proportional to 408,174 and 612,672 is: 919,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,174 : 612,672 = 612,672 : x
  2. Step 2: Convert to fraction form
    408,174/612,672 = 612,672/x
  3. Step 3: Cross multiply
    408,174x = 612,672 × 612,672
  4. Step 4: Simplify right side
    408,174x = 375,366,979,584
  5. Step 5: Solve for x
    x = 375,366,979,584/408,174
  6. Step 6: Final answer
    x = 919,624.91

Related Problems

Find third proportional to 204,087 and 306,336
Half scale
Find third proportional to 816,348 and 1,225,344
Double scale
Find third proportional to 408,176 and 612,675
Similar ratio
Find third proportional to 612,261 and 919,008
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.