Home / 332,428-684,458

Finding the Third Proportional to 332,428 and 684,458

Calculator

Solution

The third proportional to 332,428 and 684,458 is: 1,409,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,428 : 684,458 = 684,458 : x
  2. Step 2: Convert to fraction form
    332,428/684,458 = 684,458/x
  3. Step 3: Cross multiply
    332,428x = 684,458 × 684,458
  4. Step 4: Simplify right side
    332,428x = 468,482,753,764
  5. Step 5: Solve for x
    x = 468,482,753,764/332,428
  6. Step 6: Final answer
    x = 1,409,275.85

Related Problems

Find third proportional to 166,214 and 342,229
Half scale
Find third proportional to 664,856 and 1,368,916
Double scale
Find third proportional to 332,430 and 684,462
Similar ratio
Find third proportional to 498,642 and 1,026,687
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.