Home / 122,810-269,000

Finding the Third Proportional to 122,810 and 269,000

Calculator

Solution

The third proportional to 122,810 and 269,000 is: 589,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,810 : 269,000 = 269,000 : x
  2. Step 2: Convert to fraction form
    122,810/269,000 = 269,000/x
  3. Step 3: Cross multiply
    122,810x = 269,000 × 269,000
  4. Step 4: Simplify right side
    122,810x = 72,361,000,000
  5. Step 5: Solve for x
    x = 72,361,000,000/122,810
  6. Step 6: Final answer
    x = 589,210.98

Related Problems

Find third proportional to 61,405 and 134,500
Half scale
Find third proportional to 245,620 and 538,000
Double scale
Find third proportional to 122,812 and 269,004
Similar ratio
Find third proportional to 184,215 and 403,500
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.