Home / 136,682-287,186

Finding the Third Proportional to 136,682 and 287,186

Calculator

Solution

The third proportional to 136,682 and 287,186 is: 603,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,682 : 287,186 = 287,186 : x
  2. Step 2: Convert to fraction form
    136,682/287,186 = 287,186/x
  3. Step 3: Cross multiply
    136,682x = 287,186 × 287,186
  4. Step 4: Simplify right side
    136,682x = 82,475,798,596
  5. Step 5: Solve for x
    x = 82,475,798,596/136,682
  6. Step 6: Final answer
    x = 603,413.75

Related Problems

Find third proportional to 68,341 and 143,593
Half scale
Find third proportional to 273,364 and 574,372
Double scale
Find third proportional to 136,684 and 287,190
Similar ratio
Find third proportional to 205,023 and 430,779
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.