Home / 276,332-439,416

Finding the Third Proportional to 276,332 and 439,416

Calculator

Solution

The third proportional to 276,332 and 439,416 is: 698,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,332 : 439,416 = 439,416 : x
  2. Step 2: Convert to fraction form
    276,332/439,416 = 439,416/x
  3. Step 3: Cross multiply
    276,332x = 439,416 × 439,416
  4. Step 4: Simplify right side
    276,332x = 193,086,421,056
  5. Step 5: Solve for x
    x = 193,086,421,056/276,332
  6. Step 6: Final answer
    x = 698,747.96

Related Problems

Find third proportional to 138,166 and 219,708
Half scale
Find third proportional to 552,664 and 878,832
Double scale
Find third proportional to 276,334 and 439,419
Similar ratio
Find third proportional to 414,498 and 659,124
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.