Home / 279,182-611,530

Finding the Third Proportional to 279,182 and 611,530

Calculator

Solution

The third proportional to 279,182 and 611,530 is: 1,339,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,182 : 611,530 = 611,530 : x
  2. Step 2: Convert to fraction form
    279,182/611,530 = 611,530/x
  3. Step 3: Cross multiply
    279,182x = 611,530 × 611,530
  4. Step 4: Simplify right side
    279,182x = 373,968,940,900
  5. Step 5: Solve for x
    x = 373,968,940,900/279,182
  6. Step 6: Final answer
    x = 1,339,516.66

Related Problems

Find third proportional to 139,591 and 305,765
Half scale
Find third proportional to 558,364 and 1,223,060
Double scale
Find third proportional to 279,184 and 611,534
Similar ratio
Find third proportional to 418,773 and 917,295
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.