Home / 136,100-288,398

Finding the Third Proportional to 136,100 and 288,398

Calculator

Solution

The third proportional to 136,100 and 288,398 is: 611,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,100 : 288,398 = 288,398 : x
  2. Step 2: Convert to fraction form
    136,100/288,398 = 288,398/x
  3. Step 3: Cross multiply
    136,100x = 288,398 × 288,398
  4. Step 4: Simplify right side
    136,100x = 83,173,406,404
  5. Step 5: Solve for x
    x = 83,173,406,404/136,100
  6. Step 6: Final answer
    x = 611,119.81

Related Problems

Find third proportional to 68,050 and 144,199
Half scale
Find third proportional to 272,200 and 576,796
Double scale
Find third proportional to 136,102 and 288,402
Similar ratio
Find third proportional to 204,150 and 432,597
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.