Home / 66,585-142,647

Finding the Third Proportional to 66,585 and 142,647

Calculator

Solution

The third proportional to 66,585 and 142,647 is: 305,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,585 : 142,647 = 142,647 : x
  2. Step 2: Convert to fraction form
    66,585/142,647 = 142,647/x
  3. Step 3: Cross multiply
    66,585x = 142,647 × 142,647
  4. Step 4: Simplify right side
    66,585x = 20,348,166,609
  5. Step 5: Solve for x
    x = 20,348,166,609/66,585
  6. Step 6: Final answer
    x = 305,596.86

Related Problems

Find third proportional to 33,292.50 and 71,323.50
Half scale
Find third proportional to 133,170 and 285,294
Double scale
Find third proportional to 66,587 and 142,651
Similar ratio
Find third proportional to 99,877.50 and 213,970.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.