Home / 455,330-684,462

Finding the Third Proportional to 455,330 and 684,462

Calculator

Solution

The third proportional to 455,330 and 684,462 is: 1,028,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,330 : 684,462 = 684,462 : x
  2. Step 2: Convert to fraction form
    455,330/684,462 = 684,462/x
  3. Step 3: Cross multiply
    455,330x = 684,462 × 684,462
  4. Step 4: Simplify right side
    455,330x = 468,488,229,444
  5. Step 5: Solve for x
    x = 468,488,229,444/455,330
  6. Step 6: Final answer
    x = 1,028,898.23

Related Problems

Find third proportional to 227,665 and 342,231
Half scale
Find third proportional to 910,660 and 1,368,924
Double scale
Find third proportional to 455,332 and 684,465
Similar ratio
Find third proportional to 682,995 and 1,026,693
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.