Home / 13,430-15,516

Finding the Third Proportional to 13,430 and 15,516

Calculator

Solution

The third proportional to 13,430 and 15,516 is: 17,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430 : 15,516 = 15,516 : x
  2. Step 2: Convert to fraction form
    13,430/15,516 = 15,516/x
  3. Step 3: Cross multiply
    13,430x = 15,516 × 15,516
  4. Step 4: Simplify right side
    13,430x = 240,746,256
  5. Step 5: Solve for x
    x = 240,746,256/13,430
  6. Step 6: Final answer
    x = 17,926.01

Related Problems

Find third proportional to 6,715 and 7,758
Half scale
Find third proportional to 26,860 and 31,032
Double scale
Find third proportional to 13,432 and 15,518
Similar ratio
Find third proportional to 20,145 and 23,274
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.