Home / 66,761,839-140,697,037

Finding the Third Proportional to 66,761,839 and 140,697,037

Calculator

Solution

The third proportional to 66,761,839 and 140,697,037 is: 296,511,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,761,839 : 140,697,037 = 140,697,037 : x
  2. Step 2: Convert to fraction form
    66,761,839/140,697,037 = 140,697,037/x
  3. Step 3: Cross multiply
    66,761,839x = 140,697,037 × 140,697,037
  4. Step 4: Simplify right side
    66,761,839x = 19,795,656,220,579,368
  5. Step 5: Solve for x
    x = 19,795,656,220,579,368/66,761,839
  6. Step 6: Final answer
    x = 296,511,547.87

Related Problems

Find third proportional to 33,380,919.50 and 70,348,518.50
Half scale
Find third proportional to 133,523,678 and 281,394,074
Double scale
Find third proportional to 66,761,841 and 140,697,041
Similar ratio
Find third proportional to 100,142,758.50 and 211,045,555.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.