Home / 30,392-40,980

Finding the Third Proportional to 30,392 and 40,980

Calculator

Solution

The third proportional to 30,392 and 40,980 is: 55,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392 : 40,980 = 40,980 : x
  2. Step 2: Convert to fraction form
    30,392/40,980 = 40,980/x
  3. Step 3: Cross multiply
    30,392x = 40,980 × 40,980
  4. Step 4: Simplify right side
    30,392x = 1,679,360,400
  5. Step 5: Solve for x
    x = 1,679,360,400/30,392
  6. Step 6: Final answer
    x = 55,256.66

Related Problems

Find third proportional to 15,196 and 20,490
Half scale
Find third proportional to 60,784 and 81,960
Double scale
Find third proportional to 30,394 and 40,983
Similar ratio
Find third proportional to 45,588 and 61,470
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.