Home / 384,220-617,340

Finding the Third Proportional to 384,220 and 617,340

Calculator

Solution

The third proportional to 384,220 and 617,340 is: 991,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,220 : 617,340 = 617,340 : x
  2. Step 2: Convert to fraction form
    384,220/617,340 = 617,340/x
  3. Step 3: Cross multiply
    384,220x = 617,340 × 617,340
  4. Step 4: Simplify right side
    384,220x = 381,108,675,600
  5. Step 5: Solve for x
    x = 381,108,675,600/384,220
  6. Step 6: Final answer
    x = 991,902.23

Related Problems

Find third proportional to 192,110 and 308,670
Half scale
Find third proportional to 768,440 and 1,234,680
Double scale
Find third proportional to 384,222 and 617,343
Similar ratio
Find third proportional to 576,330 and 926,010
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.