Home / 239,863-516,643

Finding the Third Proportional to 239,863 and 516,643

Calculator

Solution

The third proportional to 239,863 and 516,643 is: 1,112,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,863 : 516,643 = 516,643 : x
  2. Step 2: Convert to fraction form
    239,863/516,643 = 516,643/x
  3. Step 3: Cross multiply
    239,863x = 516,643 × 516,643
  4. Step 4: Simplify right side
    239,863x = 266,919,989,449
  5. Step 5: Solve for x
    x = 266,919,989,449/239,863
  6. Step 6: Final answer
    x = 1,112,801.85

Related Problems

Find third proportional to 119,931.50 and 258,321.50
Half scale
Find third proportional to 479,726 and 1,033,286
Double scale
Find third proportional to 239,865 and 516,647
Similar ratio
Find third proportional to 359,794.50 and 774,964.50
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.