Home / 285,135-426,853.50

Finding the Third Proportional to 285,135 and 426,853.50

Calculator

Solution

The third proportional to 285,135 and 426,853.50 is: 639,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,135 : 426,853.50 = 426,853.50 : x
  2. Step 2: Convert to fraction form
    285,135/426,853.50 = 426,853.50/x
  3. Step 3: Cross multiply
    285,135x = 426,853.50 × 426,853.50
  4. Step 4: Simplify right side
    285,135x = 182,203,910,462.25
  5. Step 5: Solve for x
    x = 182,203,910,462.25/285,135
  6. Step 6: Final answer
    x = 639,009.28

Related Problems

Find third proportional to 142,567.50 and 213,426.75
Half scale
Find third proportional to 570,270 and 853,707
Double scale
Find third proportional to 285,137 and 426,856
Similar ratio
Find third proportional to 427,702.50 and 640,280.25
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.