Home / 208,488-455,208

Finding the Third Proportional to 208,488 and 455,208

Calculator

Solution

The third proportional to 208,488 and 455,208 is: 993,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,488 : 455,208 = 455,208 : x
  2. Step 2: Convert to fraction form
    208,488/455,208 = 455,208/x
  3. Step 3: Cross multiply
    208,488x = 455,208 × 455,208
  4. Step 4: Simplify right side
    208,488x = 207,214,323,264
  5. Step 5: Solve for x
    x = 207,214,323,264/208,488
  6. Step 6: Final answer
    x = 993,890.89

Related Problems

Find third proportional to 104,244 and 227,604
Half scale
Find third proportional to 416,976 and 910,416
Double scale
Find third proportional to 208,490 and 455,212
Similar ratio
Find third proportional to 312,732 and 682,812
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.