Home / 136,390-296,386

Finding the Third Proportional to 136,390 and 296,386

Calculator

Solution

The third proportional to 136,390 and 296,386 is: 644,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,390 : 296,386 = 296,386 : x
  2. Step 2: Convert to fraction form
    136,390/296,386 = 296,386/x
  3. Step 3: Cross multiply
    136,390x = 296,386 × 296,386
  4. Step 4: Simplify right side
    136,390x = 87,844,660,996
  5. Step 5: Solve for x
    x = 87,844,660,996/136,390
  6. Step 6: Final answer
    x = 644,069.66

Related Problems

Find third proportional to 68,195 and 148,193
Half scale
Find third proportional to 272,780 and 592,772
Double scale
Find third proportional to 136,392 and 296,390
Similar ratio
Find third proportional to 204,585 and 444,579
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.