Home / 66,606-142,658

Finding the Third Proportional to 66,606 and 142,658

Calculator

Solution

The third proportional to 66,606 and 142,658 is: 305,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606 : 142,658 = 142,658 : x
  2. Step 2: Convert to fraction form
    66,606/142,658 = 142,658/x
  3. Step 3: Cross multiply
    66,606x = 142,658 × 142,658
  4. Step 4: Simplify right side
    66,606x = 20,351,304,964
  5. Step 5: Solve for x
    x = 20,351,304,964/66,606
  6. Step 6: Final answer
    x = 305,547.62

Related Problems

Find third proportional to 33,303 and 71,329
Half scale
Find third proportional to 133,212 and 285,316
Double scale
Find third proportional to 66,608 and 142,662
Similar ratio
Find third proportional to 99,909 and 213,987
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.