Home / 138,248-296,144

Finding the Third Proportional to 138,248 and 296,144

Calculator

Solution

The third proportional to 138,248 and 296,144 is: 634,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,248 : 296,144 = 296,144 : x
  2. Step 2: Convert to fraction form
    138,248/296,144 = 296,144/x
  3. Step 3: Cross multiply
    138,248x = 296,144 × 296,144
  4. Step 4: Simplify right side
    138,248x = 87,701,268,736
  5. Step 5: Solve for x
    x = 87,701,268,736/138,248
  6. Step 6: Final answer
    x = 634,376.40

Related Problems

Find third proportional to 69,124 and 148,072
Half scale
Find third proportional to 276,496 and 592,288
Double scale
Find third proportional to 138,250 and 296,148
Similar ratio
Find third proportional to 207,372 and 444,216
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.