Home / 453,664-990,337

Finding the Third Proportional to 453,664 and 990,337

Calculator

Solution

The third proportional to 453,664 and 990,337 is: 2,161,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,664 : 990,337 = 990,337 : x
  2. Step 2: Convert to fraction form
    453,664/990,337 = 990,337/x
  3. Step 3: Cross multiply
    453,664x = 990,337 × 990,337
  4. Step 4: Simplify right side
    453,664x = 980,767,373,569
  5. Step 5: Solve for x
    x = 980,767,373,569/453,664
  6. Step 6: Final answer
    x = 2,161,880.54

Related Problems

Find third proportional to 226,832 and 495,168.50
Half scale
Find third proportional to 907,328 and 1,980,674
Double scale
Find third proportional to 453,666 and 990,341
Similar ratio
Find third proportional to 680,496 and 1,485,505.50
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.