Home / 140,480-304,288

Finding the Third Proportional to 140,480 and 304,288

Calculator

Solution

The third proportional to 140,480 and 304,288 is: 659,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,480 : 304,288 = 304,288 : x
  2. Step 2: Convert to fraction form
    140,480/304,288 = 304,288/x
  3. Step 3: Cross multiply
    140,480x = 304,288 × 304,288
  4. Step 4: Simplify right side
    140,480x = 92,591,186,944
  5. Step 5: Solve for x
    x = 92,591,186,944/140,480
  6. Step 6: Final answer
    x = 659,105.83

Related Problems

Find third proportional to 70,240 and 152,144
Half scale
Find third proportional to 280,960 and 608,576
Double scale
Find third proportional to 140,482 and 304,292
Similar ratio
Find third proportional to 210,720 and 456,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.