Home / 378,242-806,548

Finding the Third Proportional to 378,242 and 806,548

Calculator

Solution

The third proportional to 378,242 and 806,548 is: 1,719,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,242 : 806,548 = 806,548 : x
  2. Step 2: Convert to fraction form
    378,242/806,548 = 806,548/x
  3. Step 3: Cross multiply
    378,242x = 806,548 × 806,548
  4. Step 4: Simplify right side
    378,242x = 650,519,676,304
  5. Step 5: Solve for x
    x = 650,519,676,304/378,242
  6. Step 6: Final answer
    x = 1,719,850.46

Related Problems

Find third proportional to 189,121 and 403,274
Half scale
Find third proportional to 756,484 and 1,613,096
Double scale
Find third proportional to 378,244 and 806,552
Similar ratio
Find third proportional to 567,363 and 1,209,822
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.