Home / 289,012-383,586

Finding the Third Proportional to 289,012 and 383,586

Calculator

Solution

The third proportional to 289,012 and 383,586 is: 509,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,012 : 383,586 = 383,586 : x
  2. Step 2: Convert to fraction form
    289,012/383,586 = 383,586/x
  3. Step 3: Cross multiply
    289,012x = 383,586 × 383,586
  4. Step 4: Simplify right side
    289,012x = 147,138,219,396
  5. Step 5: Solve for x
    x = 147,138,219,396/289,012
  6. Step 6: Final answer
    x = 509,107.65

Related Problems

Find third proportional to 144,506 and 191,793
Half scale
Find third proportional to 578,024 and 767,172
Double scale
Find third proportional to 289,014 and 383,589
Similar ratio
Find third proportional to 433,518 and 575,379
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.