Home / 138,391-293,184

Finding the Third Proportional to 138,391 and 293,184

Calculator

Solution

The third proportional to 138,391 and 293,184 is: 621,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,391 : 293,184 = 293,184 : x
  2. Step 2: Convert to fraction form
    138,391/293,184 = 293,184/x
  3. Step 3: Cross multiply
    138,391x = 293,184 × 293,184
  4. Step 4: Simplify right side
    138,391x = 85,956,857,856
  5. Step 5: Solve for x
    x = 85,956,857,856/138,391
  6. Step 6: Final answer
    x = 621,115.95

Related Problems

Find third proportional to 69,195.50 and 146,592
Half scale
Find third proportional to 276,782 and 586,368
Double scale
Find third proportional to 138,393 and 293,188
Similar ratio
Find third proportional to 207,586.50 and 439,776
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.