Home / 9,642-14,115

Finding the Third Proportional to 9,642 and 14,115

Calculator

Solution

The third proportional to 9,642 and 14,115 is: 20,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642 : 14,115 = 14,115 : x
  2. Step 2: Convert to fraction form
    9,642/14,115 = 14,115/x
  3. Step 3: Cross multiply
    9,642x = 14,115 × 14,115
  4. Step 4: Simplify right side
    9,642x = 199,233,225
  5. Step 5: Solve for x
    x = 199,233,225/9,642
  6. Step 6: Final answer
    x = 20,663.06

Related Problems

Find third proportional to 4,821 and 7,057.50
Half scale
Find third proportional to 19,284 and 28,230
Double scale
Find third proportional to 9,644 and 14,118
Similar ratio
Find third proportional to 14,463 and 21,172.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.