Home / 355,579.50-540,280.50

Finding the Third Proportional to 355,579.50 and 540,280.50

Calculator

Solution

The third proportional to 355,579.50 and 540,280.50 is: 820,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,579.50 : 540,280.50 = 540,280.50 : x
  2. Step 2: Convert to fraction form
    355,579.50/540,280.50 = 540,280.50/x
  3. Step 3: Cross multiply
    355,579.50x = 540,280.50 × 540,280.50
  4. Step 4: Simplify right side
    355,579.50x = 291,903,018,680.25
  5. Step 5: Solve for x
    x = 291,903,018,680.25/355,579.50
  6. Step 6: Final answer
    x = 820,921.96

Related Problems

Find third proportional to 177,789.75 and 270,140.25
Half scale
Find third proportional to 711,159 and 1,080,561
Double scale
Find third proportional to 355,582 and 540,284
Similar ratio
Find third proportional to 533,369.25 and 810,420.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.