Home / 100,442-147,639

Finding the Third Proportional to 100,442 and 147,639

Calculator

Solution

The third proportional to 100,442 and 147,639 is: 217,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,442 : 147,639 = 147,639 : x
  2. Step 2: Convert to fraction form
    100,442/147,639 = 147,639/x
  3. Step 3: Cross multiply
    100,442x = 147,639 × 147,639
  4. Step 4: Simplify right side
    100,442x = 21,797,274,321
  5. Step 5: Solve for x
    x = 21,797,274,321/100,442
  6. Step 6: Final answer
    x = 217,013.54

Related Problems

Find third proportional to 50,221 and 73,819.50
Half scale
Find third proportional to 200,884 and 295,278
Double scale
Find third proportional to 100,444 and 147,642
Similar ratio
Find third proportional to 150,663 and 221,458.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.