Home / 102,511-221,870

Finding the Third Proportional to 102,511 and 221,870

Calculator

Solution

The third proportional to 102,511 and 221,870 is: 480,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,511 : 221,870 = 221,870 : x
  2. Step 2: Convert to fraction form
    102,511/221,870 = 221,870/x
  3. Step 3: Cross multiply
    102,511x = 221,870 × 221,870
  4. Step 4: Simplify right side
    102,511x = 49,226,296,900
  5. Step 5: Solve for x
    x = 49,226,296,900/102,511
  6. Step 6: Final answer
    x = 480,205.02

Related Problems

Find third proportional to 51,255.50 and 110,935
Half scale
Find third proportional to 205,022 and 443,740
Double scale
Find third proportional to 102,513 and 221,874
Similar ratio
Find third proportional to 153,766.50 and 332,805
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.