Home / 147,510-221,409

Finding the Third Proportional to 147,510 and 221,409

Calculator

Solution

The third proportional to 147,510 and 221,409 is: 332,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510 : 221,409 = 221,409 : x
  2. Step 2: Convert to fraction form
    147,510/221,409 = 221,409/x
  3. Step 3: Cross multiply
    147,510x = 221,409 × 221,409
  4. Step 4: Simplify right side
    147,510x = 49,021,945,281
  5. Step 5: Solve for x
    x = 49,021,945,281/147,510
  6. Step 6: Final answer
    x = 332,329.64

Related Problems

Find third proportional to 73,755 and 110,704.50
Half scale
Find third proportional to 295,020 and 442,818
Double scale
Find third proportional to 147,512 and 221,412
Similar ratio
Find third proportional to 221,265 and 332,113.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.