Home / 278,784-603,576

Finding the Third Proportional to 278,784 and 603,576

Calculator

Solution

The third proportional to 278,784 and 603,576 is: 1,306,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,784 : 603,576 = 603,576 : x
  2. Step 2: Convert to fraction form
    278,784/603,576 = 603,576/x
  3. Step 3: Cross multiply
    278,784x = 603,576 × 603,576
  4. Step 4: Simplify right side
    278,784x = 364,303,987,776
  5. Step 5: Solve for x
    x = 364,303,987,776/278,784
  6. Step 6: Final answer
    x = 1,306,760.75

Related Problems

Find third proportional to 139,392 and 301,788
Half scale
Find third proportional to 557,568 and 1,207,152
Double scale
Find third proportional to 278,786 and 603,580
Similar ratio
Find third proportional to 418,176 and 905,364
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.