Home / 66,960-145,826

Finding the Third Proportional to 66,960 and 145,826

Calculator

Solution

The third proportional to 66,960 and 145,826 is: 317,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,960 : 145,826 = 145,826 : x
  2. Step 2: Convert to fraction form
    66,960/145,826 = 145,826/x
  3. Step 3: Cross multiply
    66,960x = 145,826 × 145,826
  4. Step 4: Simplify right side
    66,960x = 21,265,222,276
  5. Step 5: Solve for x
    x = 21,265,222,276/66,960
  6. Step 6: Final answer
    x = 317,580.98

Related Problems

Find third proportional to 33,480 and 72,913
Half scale
Find third proportional to 133,920 and 291,652
Double scale
Find third proportional to 66,962 and 145,830
Similar ratio
Find third proportional to 100,440 and 218,739
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.