Home / 398,252-859,896

Finding the Third Proportional to 398,252 and 859,896

Calculator

Solution

The third proportional to 398,252 and 859,896 is: 1,856,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,252 : 859,896 = 859,896 : x
  2. Step 2: Convert to fraction form
    398,252/859,896 = 859,896/x
  3. Step 3: Cross multiply
    398,252x = 859,896 × 859,896
  4. Step 4: Simplify right side
    398,252x = 739,421,130,816
  5. Step 5: Solve for x
    x = 739,421,130,816/398,252
  6. Step 6: Final answer
    x = 1,856,666.46

Related Problems

Find third proportional to 199,126 and 429,948
Half scale
Find third proportional to 796,504 and 1,719,792
Double scale
Find third proportional to 398,254 and 859,900
Similar ratio
Find third proportional to 597,378 and 1,289,844
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.