Home / 393,498-862,650

Finding the Third Proportional to 393,498 and 862,650

Calculator

Solution

The third proportional to 393,498 and 862,650 is: 1,891,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,498 : 862,650 = 862,650 : x
  2. Step 2: Convert to fraction form
    393,498/862,650 = 862,650/x
  3. Step 3: Cross multiply
    393,498x = 862,650 × 862,650
  4. Step 4: Simplify right side
    393,498x = 744,165,022,500
  5. Step 5: Solve for x
    x = 744,165,022,500/393,498
  6. Step 6: Final answer
    x = 1,891,153.25

Related Problems

Find third proportional to 196,749 and 431,325
Half scale
Find third proportional to 786,996 and 1,725,300
Double scale
Find third proportional to 393,500 and 862,654
Similar ratio
Find third proportional to 590,247 and 1,293,975
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.