Home / 449,648-677,440

Finding the Third Proportional to 449,648 and 677,440

Calculator

Solution

The third proportional to 449,648 and 677,440 is: 1,020,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,648 : 677,440 = 677,440 : x
  2. Step 2: Convert to fraction form
    449,648/677,440 = 677,440/x
  3. Step 3: Cross multiply
    449,648x = 677,440 × 677,440
  4. Step 4: Simplify right side
    449,648x = 458,924,953,600
  5. Step 5: Solve for x
    x = 458,924,953,600/449,648
  6. Step 6: Final answer
    x = 1,020,631.59

Related Problems

Find third proportional to 224,824 and 338,720
Half scale
Find third proportional to 899,296 and 1,354,880
Double scale
Find third proportional to 449,650 and 677,443
Similar ratio
Find third proportional to 674,472 and 1,016,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.