Home / 277,360-396,368

Finding the Third Proportional to 277,360 and 396,368

Calculator

Solution

The third proportional to 277,360 and 396,368 is: 566,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,360 : 396,368 = 396,368 : x
  2. Step 2: Convert to fraction form
    277,360/396,368 = 396,368/x
  3. Step 3: Cross multiply
    277,360x = 396,368 × 396,368
  4. Step 4: Simplify right side
    277,360x = 157,107,591,424
  5. Step 5: Solve for x
    x = 157,107,591,424/277,360
  6. Step 6: Final answer
    x = 566,439.25

Related Problems

Find third proportional to 138,680 and 198,184
Half scale
Find third proportional to 554,720 and 792,736
Double scale
Find third proportional to 277,362 and 396,371
Similar ratio
Find third proportional to 416,040 and 594,552
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.