Home / 8,670-13,413

Finding the Third Proportional to 8,670 and 13,413

Calculator

Solution

The third proportional to 8,670 and 13,413 is: 20,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670 : 13,413 = 13,413 : x
  2. Step 2: Convert to fraction form
    8,670/13,413 = 13,413/x
  3. Step 3: Cross multiply
    8,670x = 13,413 × 13,413
  4. Step 4: Simplify right side
    8,670x = 179,908,569
  5. Step 5: Solve for x
    x = 179,908,569/8,670
  6. Step 6: Final answer
    x = 20,750.70

Related Problems

Find third proportional to 4,335 and 6,706.50
Half scale
Find third proportional to 17,340 and 26,826
Double scale
Find third proportional to 8,672 and 13,416
Similar ratio
Find third proportional to 13,005 and 20,119.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.