Home / 11,572-13,220

Finding the Third Proportional to 11,572 and 13,220

Calculator

Solution

The third proportional to 11,572 and 13,220 is: 15,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572 : 13,220 = 13,220 : x
  2. Step 2: Convert to fraction form
    11,572/13,220 = 13,220/x
  3. Step 3: Cross multiply
    11,572x = 13,220 × 13,220
  4. Step 4: Simplify right side
    11,572x = 174,768,400
  5. Step 5: Solve for x
    x = 174,768,400/11,572
  6. Step 6: Final answer
    x = 15,102.70

Related Problems

Find third proportional to 5,786 and 6,610
Half scale
Find third proportional to 23,144 and 26,440
Double scale
Find third proportional to 11,574 and 13,222
Similar ratio
Find third proportional to 17,358 and 19,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.