Home / 684,486-908,388

Finding the Third Proportional to 684,486 and 908,388

Calculator

Solution

The third proportional to 684,486 and 908,388 is: 1,205,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,486 : 908,388 = 908,388 : x
  2. Step 2: Convert to fraction form
    684,486/908,388 = 908,388/x
  3. Step 3: Cross multiply
    684,486x = 908,388 × 908,388
  4. Step 4: Simplify right side
    684,486x = 825,168,758,544
  5. Step 5: Solve for x
    x = 825,168,758,544/684,486
  6. Step 6: Final answer
    x = 1,205,530.51

Related Problems

Find third proportional to 342,243 and 454,194
Half scale
Find third proportional to 1,368,972 and 1,816,776
Double scale
Find third proportional to 684,488 and 908,391
Similar ratio
Find third proportional to 1,026,729 and 1,362,582
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.