Home / 315,236-684,056

Finding the Third Proportional to 315,236 and 684,056

Calculator

Solution

The third proportional to 315,236 and 684,056 is: 1,484,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,236 : 684,056 = 684,056 : x
  2. Step 2: Convert to fraction form
    315,236/684,056 = 684,056/x
  3. Step 3: Cross multiply
    315,236x = 684,056 × 684,056
  4. Step 4: Simplify right side
    315,236x = 467,932,611,136
  5. Step 5: Solve for x
    x = 467,932,611,136/315,236
  6. Step 6: Final answer
    x = 1,484,388.24

Related Problems

Find third proportional to 157,618 and 342,028
Half scale
Find third proportional to 630,472 and 1,368,112
Double scale
Find third proportional to 315,238 and 684,060
Similar ratio
Find third proportional to 472,854 and 1,026,084
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.