Home / 8,272-17,688

Finding the Third Proportional to 8,272 and 17,688

Calculator

Solution

The third proportional to 8,272 and 17,688 is: 37,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272 : 17,688 = 17,688 : x
  2. Step 2: Convert to fraction form
    8,272/17,688 = 17,688/x
  3. Step 3: Cross multiply
    8,272x = 17,688 × 17,688
  4. Step 4: Simplify right side
    8,272x = 312,865,344
  5. Step 5: Solve for x
    x = 312,865,344/8,272
  6. Step 6: Final answer
    x = 37,822.21

Related Problems

Find third proportional to 4,136 and 8,844
Half scale
Find third proportional to 16,544 and 35,376
Double scale
Find third proportional to 8,274 and 17,692
Similar ratio
Find third proportional to 12,408 and 26,532
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.