Home / 13,040-26,688

Finding the Third Proportional to 13,040 and 26,688

Calculator

Solution

The third proportional to 13,040 and 26,688 is: 54,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040 : 26,688 = 26,688 : x
  2. Step 2: Convert to fraction form
    13,040/26,688 = 26,688/x
  3. Step 3: Cross multiply
    13,040x = 26,688 × 26,688
  4. Step 4: Simplify right side
    13,040x = 712,249,344
  5. Step 5: Solve for x
    x = 712,249,344/13,040
  6. Step 6: Final answer
    x = 54,620.35

Related Problems

Find third proportional to 6,520 and 13,344
Half scale
Find third proportional to 26,080 and 53,376
Double scale
Find third proportional to 13,042 and 26,692
Similar ratio
Find third proportional to 19,560 and 40,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.