Home / 10,490-15,809

Finding the Third Proportional to 10,490 and 15,809

Calculator

Solution

The third proportional to 10,490 and 15,809 is: 23,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490 : 15,809 = 15,809 : x
  2. Step 2: Convert to fraction form
    10,490/15,809 = 15,809/x
  3. Step 3: Cross multiply
    10,490x = 15,809 × 15,809
  4. Step 4: Simplify right side
    10,490x = 249,924,481
  5. Step 5: Solve for x
    x = 249,924,481/10,490
  6. Step 6: Final answer
    x = 23,825.02

Related Problems

Find third proportional to 5,245 and 7,904.50
Half scale
Find third proportional to 20,980 and 31,618
Double scale
Find third proportional to 10,492 and 15,812
Similar ratio
Find third proportional to 15,735 and 23,713.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.