Home / 212,012,616-318,243,288

Finding the Third Proportional to 212,012,616 and 318,243,288

Calculator

Solution

The third proportional to 212,012,616 and 318,243,288 is: 477,701,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,012,616 : 318,243,288 = 318,243,288 : x
  2. Step 2: Convert to fraction form
    212,012,616/318,243,288 = 318,243,288/x
  3. Step 3: Cross multiply
    212,012,616x = 318,243,288 × 318,243,288
  4. Step 4: Simplify right side
    212,012,616x = 101,278,790,357,050,944
  5. Step 5: Solve for x
    x = 101,278,790,357,050,944/212,012,616
  6. Step 6: Final answer
    x = 477,701,715.43

Related Problems

Find third proportional to 106,006,308 and 159,121,644
Half scale
Find third proportional to 424,025,232 and 636,486,576
Double scale
Find third proportional to 212,012,618 and 318,243,291
Similar ratio
Find third proportional to 318,018,924 and 477,364,932
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.