Home / 6,490-10,291

Finding the Third Proportional to 6,490 and 10,291

Calculator

Solution

The third proportional to 6,490 and 10,291 is: 16,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490 : 10,291 = 10,291 : x
  2. Step 2: Convert to fraction form
    6,490/10,291 = 10,291/x
  3. Step 3: Cross multiply
    6,490x = 10,291 × 10,291
  4. Step 4: Simplify right side
    6,490x = 105,904,681
  5. Step 5: Solve for x
    x = 105,904,681/6,490
  6. Step 6: Final answer
    x = 16,318.13

Related Problems

Find third proportional to 3,245 and 5,145.50
Half scale
Find third proportional to 12,980 and 20,582
Double scale
Find third proportional to 6,492 and 10,294
Similar ratio
Find third proportional to 9,735 and 15,436.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.