Home / 548,724-728,280

Finding the Third Proportional to 548,724 and 728,280

Calculator

Solution

The third proportional to 548,724 and 728,280 is: 966,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,724 : 728,280 = 728,280 : x
  2. Step 2: Convert to fraction form
    548,724/728,280 = 728,280/x
  3. Step 3: Cross multiply
    548,724x = 728,280 × 728,280
  4. Step 4: Simplify right side
    548,724x = 530,391,758,400
  5. Step 5: Solve for x
    x = 530,391,758,400/548,724
  6. Step 6: Final answer
    x = 966,591.14

Related Problems

Find third proportional to 274,362 and 364,140
Half scale
Find third proportional to 1,097,448 and 1,456,560
Double scale
Find third proportional to 548,726 and 728,283
Similar ratio
Find third proportional to 823,086 and 1,092,420
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.