Home / 208,520-455,271

Finding the Third Proportional to 208,520 and 455,271

Calculator

Solution

The third proportional to 208,520 and 455,271 is: 994,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,520 : 455,271 = 455,271 : x
  2. Step 2: Convert to fraction form
    208,520/455,271 = 455,271/x
  3. Step 3: Cross multiply
    208,520x = 455,271 × 455,271
  4. Step 4: Simplify right side
    208,520x = 207,271,683,441
  5. Step 5: Solve for x
    x = 207,271,683,441/208,520
  6. Step 6: Final answer
    x = 994,013.44

Related Problems

Find third proportional to 104,260 and 227,635.50
Half scale
Find third proportional to 417,040 and 910,542
Double scale
Find third proportional to 208,522 and 455,275
Similar ratio
Find third proportional to 312,780 and 682,906.50
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.