Home / 279,396-603,432

Finding the Third Proportional to 279,396 and 603,432

Calculator

Solution

The third proportional to 279,396 and 603,432 is: 1,303,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,396 : 603,432 = 603,432 : x
  2. Step 2: Convert to fraction form
    279,396/603,432 = 603,432/x
  3. Step 3: Cross multiply
    279,396x = 603,432 × 603,432
  4. Step 4: Simplify right side
    279,396x = 364,130,178,624
  5. Step 5: Solve for x
    x = 364,130,178,624/279,396
  6. Step 6: Final answer
    x = 1,303,276.28

Related Problems

Find third proportional to 139,698 and 301,716
Half scale
Find third proportional to 558,792 and 1,206,864
Double scale
Find third proportional to 279,398 and 603,436
Similar ratio
Find third proportional to 419,094 and 905,148
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.