Home / 283,485-426,509.50

Finding the Third Proportional to 283,485 and 426,509.50

Calculator

Solution

The third proportional to 283,485 and 426,509.50 is: 641,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,485 : 426,509.50 = 426,509.50 : x
  2. Step 2: Convert to fraction form
    283,485/426,509.50 = 426,509.50/x
  3. Step 3: Cross multiply
    283,485x = 426,509.50 × 426,509.50
  4. Step 4: Simplify right side
    283,485x = 181,910,353,590.25
  5. Step 5: Solve for x
    x = 181,910,353,590.25/283,485
  6. Step 6: Final answer
    x = 641,693.05

Related Problems

Find third proportional to 141,742.50 and 213,254.75
Half scale
Find third proportional to 566,970 and 853,019
Double scale
Find third proportional to 283,487 and 426,513
Similar ratio
Find third proportional to 425,227.50 and 639,764.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.