Home / 21,282-28,467

Finding the Third Proportional to 21,282 and 28,467

Calculator

Solution

The third proportional to 21,282 and 28,467 is: 38,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282 : 28,467 = 28,467 : x
  2. Step 2: Convert to fraction form
    21,282/28,467 = 28,467/x
  3. Step 3: Cross multiply
    21,282x = 28,467 × 28,467
  4. Step 4: Simplify right side
    21,282x = 810,370,089
  5. Step 5: Solve for x
    x = 810,370,089/21,282
  6. Step 6: Final answer
    x = 38,077.72

Related Problems

Find third proportional to 10,641 and 14,233.50
Half scale
Find third proportional to 42,564 and 56,934
Double scale
Find third proportional to 21,284 and 28,470
Similar ratio
Find third proportional to 31,923 and 42,700.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.