Home / 455,468-648,823

Finding the Third Proportional to 455,468 and 648,823

Calculator

Solution

The third proportional to 455,468 and 648,823 is: 924,260.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,468 : 648,823 = 648,823 : x
  2. Step 2: Convert to fraction form
    455,468/648,823 = 648,823/x
  3. Step 3: Cross multiply
    455,468x = 648,823 × 648,823
  4. Step 4: Simplify right side
    455,468x = 420,971,285,329
  5. Step 5: Solve for x
    x = 420,971,285,329/455,468
  6. Step 6: Final answer
    x = 924,260.95

Related Problems

Find third proportional to 227,734 and 324,411.50
Half scale
Find third proportional to 910,936 and 1,297,646
Double scale
Find third proportional to 455,470 and 648,826
Similar ratio
Find third proportional to 683,202 and 973,234.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.