Home / 66,914-145,494

Finding the Third Proportional to 66,914 and 145,494

Calculator

Solution

The third proportional to 66,914 and 145,494 is: 316,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,914 : 145,494 = 145,494 : x
  2. Step 2: Convert to fraction form
    66,914/145,494 = 145,494/x
  3. Step 3: Cross multiply
    66,914x = 145,494 × 145,494
  4. Step 4: Simplify right side
    66,914x = 21,168,504,036
  5. Step 5: Solve for x
    x = 21,168,504,036/66,914
  6. Step 6: Final answer
    x = 316,353.89

Related Problems

Find third proportional to 33,457 and 72,747
Half scale
Find third proportional to 133,828 and 290,988
Double scale
Find third proportional to 66,916 and 145,498
Similar ratio
Find third proportional to 100,371 and 218,241
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.