Home / 26,768-42,420

Finding the Third Proportional to 26,768 and 42,420

Calculator

Solution

The third proportional to 26,768 and 42,420 is: 67,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768 : 42,420 = 42,420 : x
  2. Step 2: Convert to fraction form
    26,768/42,420 = 42,420/x
  3. Step 3: Cross multiply
    26,768x = 42,420 × 42,420
  4. Step 4: Simplify right side
    26,768x = 1,799,456,400
  5. Step 5: Solve for x
    x = 1,799,456,400/26,768
  6. Step 6: Final answer
    x = 67,224.16

Related Problems

Find third proportional to 13,384 and 21,210
Half scale
Find third proportional to 53,536 and 84,840
Double scale
Find third proportional to 26,770 and 42,423
Similar ratio
Find third proportional to 40,152 and 63,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.