Home / 20,125-29,415

Finding the Third Proportional to 20,125 and 29,415

Calculator

Solution

The third proportional to 20,125 and 29,415 is: 42,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125 : 29,415 = 29,415 : x
  2. Step 2: Convert to fraction form
    20,125/29,415 = 29,415/x
  3. Step 3: Cross multiply
    20,125x = 29,415 × 29,415
  4. Step 4: Simplify right side
    20,125x = 865,242,225
  5. Step 5: Solve for x
    x = 865,242,225/20,125
  6. Step 6: Final answer
    x = 42,993.40

Related Problems

Find third proportional to 10,062.50 and 14,707.50
Half scale
Find third proportional to 40,250 and 58,830
Double scale
Find third proportional to 20,127 and 29,418
Similar ratio
Find third proportional to 30,187.50 and 44,122.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.