Home / 291,075-626,415

Finding the Third Proportional to 291,075 and 626,415

Calculator

Solution

The third proportional to 291,075 and 626,415 is: 1,348,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,075 : 626,415 = 626,415 : x
  2. Step 2: Convert to fraction form
    291,075/626,415 = 626,415/x
  3. Step 3: Cross multiply
    291,075x = 626,415 × 626,415
  4. Step 4: Simplify right side
    291,075x = 392,395,752,225
  5. Step 5: Solve for x
    x = 392,395,752,225/291,075
  6. Step 6: Final answer
    x = 1,348,091.56

Related Problems

Find third proportional to 145,537.50 and 313,207.50
Half scale
Find third proportional to 582,150 and 1,252,830
Double scale
Find third proportional to 291,077 and 626,419
Similar ratio
Find third proportional to 436,612.50 and 939,622.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.