Home / 403,892-633,639

Finding the Third Proportional to 403,892 and 633,639

Calculator

Solution

The third proportional to 403,892 and 633,639 is: 994,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,892 : 633,639 = 633,639 : x
  2. Step 2: Convert to fraction form
    403,892/633,639 = 633,639/x
  3. Step 3: Cross multiply
    403,892x = 633,639 × 633,639
  4. Step 4: Simplify right side
    403,892x = 401,498,382,321
  5. Step 5: Solve for x
    x = 401,498,382,321/403,892
  6. Step 6: Final answer
    x = 994,073.62

Related Problems

Find third proportional to 201,946 and 316,819.50
Half scale
Find third proportional to 807,784 and 1,267,278
Double scale
Find third proportional to 403,894 and 633,642
Similar ratio
Find third proportional to 605,838 and 950,458.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.