Home / 315,882-684,216

Finding the Third Proportional to 315,882 and 684,216

Calculator

Solution

The third proportional to 315,882 and 684,216 is: 1,482,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,882 : 684,216 = 684,216 : x
  2. Step 2: Convert to fraction form
    315,882/684,216 = 684,216/x
  3. Step 3: Cross multiply
    315,882x = 684,216 × 684,216
  4. Step 4: Simplify right side
    315,882x = 468,151,534,656
  5. Step 5: Solve for x
    x = 468,151,534,656/315,882
  6. Step 6: Final answer
    x = 1,482,045.62

Related Problems

Find third proportional to 157,941 and 342,108
Half scale
Find third proportional to 631,764 and 1,368,432
Double scale
Find third proportional to 315,884 and 684,220
Similar ratio
Find third proportional to 473,823 and 1,026,324
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.