Home / 8,260-17,440

Finding the Third Proportional to 8,260 and 17,440

Calculator

Solution

The third proportional to 8,260 and 17,440 is: 36,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260 : 17,440 = 17,440 : x
  2. Step 2: Convert to fraction form
    8,260/17,440 = 17,440/x
  3. Step 3: Cross multiply
    8,260x = 17,440 × 17,440
  4. Step 4: Simplify right side
    8,260x = 304,153,600
  5. Step 5: Solve for x
    x = 304,153,600/8,260
  6. Step 6: Final answer
    x = 36,822.47

Related Problems

Find third proportional to 4,130 and 8,720
Half scale
Find third proportional to 16,520 and 34,880
Double scale
Find third proportional to 8,262 and 17,444
Similar ratio
Find third proportional to 12,390 and 26,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.