Home / 136,080-296,460

Finding the Third Proportional to 136,080 and 296,460

Calculator

Solution

The third proportional to 136,080 and 296,460 is: 645,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,080 : 296,460 = 296,460 : x
  2. Step 2: Convert to fraction form
    136,080/296,460 = 296,460/x
  3. Step 3: Cross multiply
    136,080x = 296,460 × 296,460
  4. Step 4: Simplify right side
    136,080x = 87,888,531,600
  5. Step 5: Solve for x
    x = 87,888,531,600/136,080
  6. Step 6: Final answer
    x = 645,859.29

Related Problems

Find third proportional to 68,040 and 148,230
Half scale
Find third proportional to 272,160 and 592,920
Double scale
Find third proportional to 136,082 and 296,464
Similar ratio
Find third proportional to 204,120 and 444,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.