Home / 380,176-816,512

Finding the Third Proportional to 380,176 and 816,512

Calculator

Solution

The third proportional to 380,176 and 816,512 is: 1,753,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,176 : 816,512 = 816,512 : x
  2. Step 2: Convert to fraction form
    380,176/816,512 = 816,512/x
  3. Step 3: Cross multiply
    380,176x = 816,512 × 816,512
  4. Step 4: Simplify right side
    380,176x = 666,691,846,144
  5. Step 5: Solve for x
    x = 666,691,846,144/380,176
  6. Step 6: Final answer
    x = 1,753,640.01

Related Problems

Find third proportional to 190,088 and 408,256
Half scale
Find third proportional to 760,352 and 1,633,024
Double scale
Find third proportional to 380,178 and 816,516
Similar ratio
Find third proportional to 570,264 and 1,224,768
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.