Home / 999,800-1,428,717

Finding the Third Proportional to 999,800 and 1,428,717

Calculator

Solution

The third proportional to 999,800 and 1,428,717 is: 2,041,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,800 : 1,428,717 = 1,428,717 : x
  2. Step 2: Convert to fraction form
    999,800/1,428,717 = 1,428,717/x
  3. Step 3: Cross multiply
    999,800x = 1,428,717 × 1,428,717
  4. Step 4: Simplify right side
    999,800x = 2,041,232,266,089
  5. Step 5: Solve for x
    x = 2,041,232,266,089/999,800
  6. Step 6: Final answer
    x = 2,041,640.59

Related Problems

Find third proportional to 499,900 and 714,358.50
Half scale
Find third proportional to 1,999,600 and 2,857,434
Double scale
Find third proportional to 999,802 and 1,428,720
Similar ratio
Find third proportional to 1,499,700 and 2,143,075.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.