Home / 367,429-787,347

Finding the Third Proportional to 367,429 and 787,347

Calculator

Solution

The third proportional to 367,429 and 787,347 is: 1,687,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,429 : 787,347 = 787,347 : x
  2. Step 2: Convert to fraction form
    367,429/787,347 = 787,347/x
  3. Step 3: Cross multiply
    367,429x = 787,347 × 787,347
  4. Step 4: Simplify right side
    367,429x = 619,915,298,409
  5. Step 5: Solve for x
    x = 619,915,298,409/367,429
  6. Step 6: Final answer
    x = 1,687,170.31

Related Problems

Find third proportional to 183,714.50 and 393,673.50
Half scale
Find third proportional to 734,858 and 1,574,694
Double scale
Find third proportional to 367,431 and 787,351
Similar ratio
Find third proportional to 551,143.50 and 1,181,020.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.