Home / 136,670-293,750

Finding the Third Proportional to 136,670 and 293,750

Calculator

Solution

The third proportional to 136,670 and 293,750 is: 631,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,670 : 293,750 = 293,750 : x
  2. Step 2: Convert to fraction form
    136,670/293,750 = 293,750/x
  3. Step 3: Cross multiply
    136,670x = 293,750 × 293,750
  4. Step 4: Simplify right side
    136,670x = 86,289,062,500
  5. Step 5: Solve for x
    x = 86,289,062,500/136,670
  6. Step 6: Final answer
    x = 631,367.98

Related Problems

Find third proportional to 68,335 and 146,875
Half scale
Find third proportional to 273,340 and 587,500
Double scale
Find third proportional to 136,672 and 293,754
Similar ratio
Find third proportional to 205,005 and 440,625
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.