Home / 9,882-11,421

Finding the Third Proportional to 9,882 and 11,421

Calculator

Solution

The third proportional to 9,882 and 11,421 is: 13,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882 : 11,421 = 11,421 : x
  2. Step 2: Convert to fraction form
    9,882/11,421 = 11,421/x
  3. Step 3: Cross multiply
    9,882x = 11,421 × 11,421
  4. Step 4: Simplify right side
    9,882x = 130,439,241
  5. Step 5: Solve for x
    x = 130,439,241/9,882
  6. Step 6: Final answer
    x = 13,199.68

Related Problems

Find third proportional to 4,941 and 5,710.50
Half scale
Find third proportional to 19,764 and 22,842
Double scale
Find third proportional to 9,884 and 11,423
Similar ratio
Find third proportional to 14,823 and 17,131.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.