Home / 66,717-145,098

Finding the Third Proportional to 66,717 and 145,098

Calculator

Solution

The third proportional to 66,717 and 145,098 is: 315,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,717 : 145,098 = 145,098 : x
  2. Step 2: Convert to fraction form
    66,717/145,098 = 145,098/x
  3. Step 3: Cross multiply
    66,717x = 145,098 × 145,098
  4. Step 4: Simplify right side
    66,717x = 21,053,429,604
  5. Step 5: Solve for x
    x = 21,053,429,604/66,717
  6. Step 6: Final answer
    x = 315,563.19

Related Problems

Find third proportional to 33,358.50 and 72,549
Half scale
Find third proportional to 133,434 and 290,196
Double scale
Find third proportional to 66,719 and 145,102
Similar ratio
Find third proportional to 100,075.50 and 217,647
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.