Home / 127,380-275,520

Finding the Third Proportional to 127,380 and 275,520

Calculator

Solution

The third proportional to 127,380 and 275,520 is: 595,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,380 : 275,520 = 275,520 : x
  2. Step 2: Convert to fraction form
    127,380/275,520 = 275,520/x
  3. Step 3: Cross multiply
    127,380x = 275,520 × 275,520
  4. Step 4: Simplify right side
    127,380x = 75,911,270,400
  5. Step 5: Solve for x
    x = 75,911,270,400/127,380
  6. Step 6: Final answer
    x = 595,943.40

Related Problems

Find third proportional to 63,690 and 137,760
Half scale
Find third proportional to 254,760 and 551,040
Double scale
Find third proportional to 127,382 and 275,524
Similar ratio
Find third proportional to 191,070 and 413,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.