Home / 661,296-1,440,690

Finding the Third Proportional to 661,296 and 1,440,690

Calculator

Solution

The third proportional to 661,296 and 1,440,690 is: 3,138,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,296 : 1,440,690 = 1,440,690 : x
  2. Step 2: Convert to fraction form
    661,296/1,440,690 = 1,440,690/x
  3. Step 3: Cross multiply
    661,296x = 1,440,690 × 1,440,690
  4. Step 4: Simplify right side
    661,296x = 2,075,587,676,100
  5. Step 5: Solve for x
    x = 2,075,587,676,100/661,296
  6. Step 6: Final answer
    x = 3,138,666.61

Related Problems

Find third proportional to 330,648 and 720,345
Half scale
Find third proportional to 1,322,592 and 2,881,380
Double scale
Find third proportional to 661,298 and 1,440,694
Similar ratio
Find third proportional to 991,944 and 2,161,035
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.