Home / 14,390-17,558

Finding the Third Proportional to 14,390 and 17,558

Calculator

Solution

The third proportional to 14,390 and 17,558 is: 21,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390 : 17,558 = 17,558 : x
  2. Step 2: Convert to fraction form
    14,390/17,558 = 17,558/x
  3. Step 3: Cross multiply
    14,390x = 17,558 × 17,558
  4. Step 4: Simplify right side
    14,390x = 308,283,364
  5. Step 5: Solve for x
    x = 308,283,364/14,390
  6. Step 6: Final answer
    x = 21,423.44

Related Problems

Find third proportional to 7,195 and 8,779
Half scale
Find third proportional to 28,780 and 35,116
Double scale
Find third proportional to 14,392 and 17,560
Similar ratio
Find third proportional to 21,585 and 26,337
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.