Home / 369,108-578,259

Finding the Third Proportional to 369,108 and 578,259

Calculator

Solution

The third proportional to 369,108 and 578,259 is: 905,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,108 : 578,259 = 578,259 : x
  2. Step 2: Convert to fraction form
    369,108/578,259 = 578,259/x
  3. Step 3: Cross multiply
    369,108x = 578,259 × 578,259
  4. Step 4: Simplify right side
    369,108x = 334,383,471,081
  5. Step 5: Solve for x
    x = 334,383,471,081/369,108
  6. Step 6: Final answer
    x = 905,923.12

Related Problems

Find third proportional to 184,554 and 289,129.50
Half scale
Find third proportional to 738,216 and 1,156,518
Double scale
Find third proportional to 369,110 and 578,262
Similar ratio
Find third proportional to 553,662 and 867,388.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.