Home / 427,716-918,612

Finding the Third Proportional to 427,716 and 918,612

Calculator

Solution

The third proportional to 427,716 and 918,612 is: 1,972,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,716 : 918,612 = 918,612 : x
  2. Step 2: Convert to fraction form
    427,716/918,612 = 918,612/x
  3. Step 3: Cross multiply
    427,716x = 918,612 × 918,612
  4. Step 4: Simplify right side
    427,716x = 843,848,006,544
  5. Step 5: Solve for x
    x = 843,848,006,544/427,716
  6. Step 6: Final answer
    x = 1,972,916.62

Related Problems

Find third proportional to 213,858 and 459,306
Half scale
Find third proportional to 855,432 and 1,837,224
Double scale
Find third proportional to 427,718 and 918,616
Similar ratio
Find third proportional to 641,574 and 1,377,918
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.