Home / 9,990-15,057

Finding the Third Proportional to 9,990 and 15,057

Calculator

Solution

The third proportional to 9,990 and 15,057 is: 22,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990 : 15,057 = 15,057 : x
  2. Step 2: Convert to fraction form
    9,990/15,057 = 15,057/x
  3. Step 3: Cross multiply
    9,990x = 15,057 × 15,057
  4. Step 4: Simplify right side
    9,990x = 226,713,249
  5. Step 5: Solve for x
    x = 226,713,249/9,990
  6. Step 6: Final answer
    x = 22,694.02

Related Problems

Find third proportional to 4,995 and 7,528.50
Half scale
Find third proportional to 19,980 and 30,114
Double scale
Find third proportional to 9,992 and 15,060
Similar ratio
Find third proportional to 14,985 and 22,585.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.