Home / 140,380-304,402

Finding the Third Proportional to 140,380 and 304,402

Calculator

Solution

The third proportional to 140,380 and 304,402 is: 660,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,380 : 304,402 = 304,402 : x
  2. Step 2: Convert to fraction form
    140,380/304,402 = 304,402/x
  3. Step 3: Cross multiply
    140,380x = 304,402 × 304,402
  4. Step 4: Simplify right side
    140,380x = 92,660,577,604
  5. Step 5: Solve for x
    x = 92,660,577,604/140,380
  6. Step 6: Final answer
    x = 660,069.65

Related Problems

Find third proportional to 70,190 and 152,201
Half scale
Find third proportional to 280,760 and 608,804
Double scale
Find third proportional to 140,382 and 304,406
Similar ratio
Find third proportional to 210,570 and 456,603
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.