Home / 11,470-15,475

Finding the Third Proportional to 11,470 and 15,475

Calculator

Solution

The third proportional to 11,470 and 15,475 is: 20,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470 : 15,475 = 15,475 : x
  2. Step 2: Convert to fraction form
    11,470/15,475 = 15,475/x
  3. Step 3: Cross multiply
    11,470x = 15,475 × 15,475
  4. Step 4: Simplify right side
    11,470x = 239,475,625
  5. Step 5: Solve for x
    x = 239,475,625/11,470
  6. Step 6: Final answer
    x = 20,878.43

Related Problems

Find third proportional to 5,735 and 7,737.50
Half scale
Find third proportional to 22,940 and 30,950
Double scale
Find third proportional to 11,472 and 15,478
Similar ratio
Find third proportional to 17,205 and 23,212.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.