Home / 315,498-684,227

Finding the Third Proportional to 315,498 and 684,227

Calculator

Solution

The third proportional to 315,498 and 684,227 is: 1,483,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,498 : 684,227 = 684,227 : x
  2. Step 2: Convert to fraction form
    315,498/684,227 = 684,227/x
  3. Step 3: Cross multiply
    315,498x = 684,227 × 684,227
  4. Step 4: Simplify right side
    315,498x = 468,166,587,529
  5. Step 5: Solve for x
    x = 468,166,587,529/315,498
  6. Step 6: Final answer
    x = 1,483,897.16

Related Problems

Find third proportional to 157,749 and 342,113.50
Half scale
Find third proportional to 630,996 and 1,368,454
Double scale
Find third proportional to 315,500 and 684,231
Similar ratio
Find third proportional to 473,247 and 1,026,340.50
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.