Home / 435,510-684,375

Finding the Third Proportional to 435,510 and 684,375

Calculator

Solution

The third proportional to 435,510 and 684,375 is: 1,075,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,510 : 684,375 = 684,375 : x
  2. Step 2: Convert to fraction form
    435,510/684,375 = 684,375/x
  3. Step 3: Cross multiply
    435,510x = 684,375 × 684,375
  4. Step 4: Simplify right side
    435,510x = 468,369,140,625
  5. Step 5: Solve for x
    x = 468,369,140,625/435,510
  6. Step 6: Final answer
    x = 1,075,449.80

Related Problems

Find third proportional to 217,755 and 342,187.50
Half scale
Find third proportional to 871,020 and 1,368,750
Double scale
Find third proportional to 435,512 and 684,378
Similar ratio
Find third proportional to 653,265 and 1,026,562.50
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.