Home / 10,478-15,153

Finding the Third Proportional to 10,478 and 15,153

Calculator

Solution

The third proportional to 10,478 and 15,153 is: 21,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478 : 15,153 = 15,153 : x
  2. Step 2: Convert to fraction form
    10,478/15,153 = 15,153/x
  3. Step 3: Cross multiply
    10,478x = 15,153 × 15,153
  4. Step 4: Simplify right side
    10,478x = 229,613,409
  5. Step 5: Solve for x
    x = 229,613,409/10,478
  6. Step 6: Final answer
    x = 21,913.86

Related Problems

Find third proportional to 5,239 and 7,576.50
Half scale
Find third proportional to 20,956 and 30,306
Double scale
Find third proportional to 10,480 and 15,156
Similar ratio
Find third proportional to 15,717 and 22,729.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.