Home / 277,317-396,283.50

Finding the Third Proportional to 277,317 and 396,283.50

Calculator

Solution

The third proportional to 277,317 and 396,283.50 is: 566,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,317 : 396,283.50 = 396,283.50 : x
  2. Step 2: Convert to fraction form
    277,317/396,283.50 = 396,283.50/x
  3. Step 3: Cross multiply
    277,317x = 396,283.50 × 396,283.50
  4. Step 4: Simplify right side
    277,317x = 157,040,612,372.25
  5. Step 5: Solve for x
    x = 157,040,612,372.25/277,317
  6. Step 6: Final answer
    x = 566,285.56

Related Problems

Find third proportional to 138,658.50 and 198,141.75
Half scale
Find third proportional to 554,634 and 792,567
Double scale
Find third proportional to 277,319 and 396,286
Similar ratio
Find third proportional to 415,975.50 and 594,425.25
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.