Home / 422,280-879,507

Finding the Third Proportional to 422,280 and 879,507

Calculator

Solution

The third proportional to 422,280 and 879,507 is: 1,831,800.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,280 : 879,507 = 879,507 : x
  2. Step 2: Convert to fraction form
    422,280/879,507 = 879,507/x
  3. Step 3: Cross multiply
    422,280x = 879,507 × 879,507
  4. Step 4: Simplify right side
    422,280x = 773,532,563,049
  5. Step 5: Solve for x
    x = 773,532,563,049/422,280
  6. Step 6: Final answer
    x = 1,831,800.14

Related Problems

Find third proportional to 211,140 and 439,753.50
Half scale
Find third proportional to 844,560 and 1,759,014
Double scale
Find third proportional to 422,282 and 879,511
Similar ratio
Find third proportional to 633,420 and 1,319,260.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.