Home / 52,590-78,909

Finding the Third Proportional to 52,590 and 78,909

Calculator

Solution

The third proportional to 52,590 and 78,909 is: 118,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,590 : 78,909 = 78,909 : x
  2. Step 2: Convert to fraction form
    52,590/78,909 = 78,909/x
  3. Step 3: Cross multiply
    52,590x = 78,909 × 78,909
  4. Step 4: Simplify right side
    52,590x = 6,226,630,281
  5. Step 5: Solve for x
    x = 6,226,630,281/52,590
  6. Step 6: Final answer
    x = 118,399.51

Related Problems

Find third proportional to 26,295 and 39,454.50
Half scale
Find third proportional to 105,180 and 157,818
Double scale
Find third proportional to 52,592 and 78,912
Similar ratio
Find third proportional to 78,885 and 118,363.50
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.