Home / 449,280-988,416

Finding the Third Proportional to 449,280 and 988,416

Calculator

Solution

The third proportional to 449,280 and 988,416 is: 2,174,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,280 : 988,416 = 988,416 : x
  2. Step 2: Convert to fraction form
    449,280/988,416 = 988,416/x
  3. Step 3: Cross multiply
    449,280x = 988,416 × 988,416
  4. Step 4: Simplify right side
    449,280x = 976,966,189,056
  5. Step 5: Solve for x
    x = 976,966,189,056/449,280
  6. Step 6: Final answer
    x = 2,174,515.20

Related Problems

Find third proportional to 224,640 and 494,208
Half scale
Find third proportional to 898,560 and 1,976,832
Double scale
Find third proportional to 449,282 and 988,420
Similar ratio
Find third proportional to 673,920 and 1,482,624
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.